<< Chapter < Page Chapter >> Page >

Nine from some number is four.

x 9 = 4 size 12{x - 9=4} {}

Got questions? Get instant answers now!

Five less than some quantity is eight.

x 5 = 8 size 12{x - 5=8} {}

Got questions? Get instant answers now!

Exercises

Translate each phrase or sentence to a mathematical expression or equation.

A quantity less twelve.

x 12 size 12{x - "12"} {}

Got questions? Get instant answers now!

Six more than an unknown number.

Got questions? Get instant answers now!

A number minus four.

x 4 size 12{x - 4} {}

Got questions? Get instant answers now!

A number increased by one.

x + 1 size 12{x+1} {}

Got questions? Get instant answers now!

A number decreased by ten.

Got questions? Get instant answers now!

Negative seven added to some number.

7 + x size 12{ - 7+x} {}

Got questions? Get instant answers now!

Negative nine added to a number.

Got questions? Get instant answers now!

A number plus the opposite of six.

x + 6 size 12{x+ left ( - 6 right )} {}

Got questions? Get instant answers now!

A number minus the opposite of five.

Got questions? Get instant answers now!

A number minus the opposite of negative one.

x 1 size 12{x - left [ - left ( - 1 right ) right ]} {}

Got questions? Get instant answers now!

A number minus the opposite of negative twelve.

Got questions? Get instant answers now!

Eleven added to three times a number.

3 x + 11 size 12{3x+"11"} {}

Got questions? Get instant answers now!

Six plus five times an unknown number.

Got questions? Get instant answers now!

Twice a number minus seven equals four.

2 x 7 = 4 size 12{2x - 7=4} {}

Got questions? Get instant answers now!

Ten times a quantity increased by two is nine.

Got questions? Get instant answers now!

When fourteen is added to two times a number the result is six.

14 + 2 x = 6 size 12{"14"+2x=6} {}

Got questions? Get instant answers now!

Four times a number minus twenty-nine is eleven.

Got questions? Get instant answers now!

Three fifths of a number plus eight is fifty.

3 5 x + 8 = 50 size 12{ { {3} over {5} } x+8="50"} {}

Got questions? Get instant answers now!

Two ninths of a number plus one fifth is forty-one.

Got questions? Get instant answers now!

When four thirds of a number is increased by twelve, the result is five.

4 3 x + 12 = 5 size 12{ { {4} over {3} } x+"12"=5} {}

Got questions? Get instant answers now!

When seven times a number is decreased by two times the number, the result is negative one.

Got questions? Get instant answers now!

When eight times a number is increased by five, the result is equal to the original number plus twenty-six.

8 x + 5 = x + 26 size 12{8x+5=x+"26"} {}

Got questions? Get instant answers now!

Five more than some number is three more than four times the number.

Got questions? Get instant answers now!

When a number divided by six is increased by nine, the result is one.

x 6 + 9 = 1 size 12{ { {x} over {6} } +9=1} {}

Got questions? Get instant answers now!

A number is equal to itself minus three times itself.

Got questions? Get instant answers now!

A number divided by seven, plus two, is seven­teen.

x 7 + 2 = 17

Got questions? Get instant answers now!

A number divided by nine, minus five times the number, is equal to one more than the number.

Got questions? Get instant answers now!

When two is subtracted from some number, the result is ten.

x 2 = 10 size 12{x - 2="10"} {}

Got questions? Get instant answers now!

When four is subtracted from some number, the result is thirty-one.

Got questions? Get instant answers now!

Three less than some number is equal to twice the number minus six.

x 3 = 2 x 6 size 12{x - 3=2x - 6} {}

Got questions? Get instant answers now!

Thirteen less than some number is equal to three times the number added to eight.

Got questions? Get instant answers now!

When twelve is subtracted from five times some number, the result is two less than the original number.

5 x 12 = x 2 size 12{5x - "12"=x - 2} {}

Got questions? Get instant answers now!

When one is subtracted from three times a num­ber, the result is eight less than six times the original number.

Got questions? Get instant answers now!

When a number is subtracted from six, the result is four more than the original number.

6 x = x + 4 size 12{6 - x=x+4} {}

Got questions? Get instant answers now!

When a number is subtracted from twenty-four, the result is six less than twice the number.

Got questions? Get instant answers now!

A number is subtracted from nine. This result is then increased by one. The result is eight more than three times the number.

9 x + 1 = 3 x + 8 size 12{9 - x+1=3x+8} {}

Got questions? Get instant answers now!

Five times a number is increased by two. This result is then decreased by three times the num­ber. The result is three more than three times the number.

Got questions? Get instant answers now!

Twice a number is decreased by seven. This re­sult is decreased by four times the number. The result is negative the original number, minus six.

2 x 7 4 x = x 6 size 12{2x - 7 - 4x= - x - 6} {}

Got questions? Get instant answers now!

Fifteen times a number is decreased by fifteen. This result is then increased by two times the number. The result is negative five times the original number minus the opposite of ten.

Got questions? Get instant answers now!

Exercises for review

( [link] ) 8 9 size 12{ { {8} over {9} } } {} of what number is 2 3 size 12{ { {2} over {3} } } {} ?

3 4 size 12{ { {3} over {4} } } {}

Got questions? Get instant answers now!

( [link] ) Find the value of 21 40 + 17 30 size 12{ { {"21"} over {"40"} } + { {"17"} over {"30"} } } {} .

Got questions? Get instant answers now!

( [link] ) Find the value of 3 1 12 + 4 1 3 + 1 1 4 size 12{3 { {1} over {"12"} } +4 { {1} over {3} } +1 { {1} over {4} } } {} .

8 2 3 size 12{8 { {2} over {3} } } {}

Got questions? Get instant answers now!

( [link] ) Convert 6 . 11 1 5 size 12{6 "." "11" { {1} over {5} } } {} to a fraction.

Got questions? Get instant answers now!

( [link] ) Solve the equation 3 x 4 + 1 = 5 size 12{ { {3x} over {4} } +1= - 5} {} .

x = 8 size 12{x= - 8} {}

Got questions? Get instant answers now!

Questions & Answers

Discuss the differences between taste and flavor, including how other sensory inputs contribute to our  perception of flavor.
John Reply
taste refers to your understanding of the flavor . while flavor one The other hand is refers to sort of just a blend things.
Faith
While taste primarily relies on our taste buds, flavor involves a complex interplay between taste and aroma
Kamara
which drugs can we use for ulcers
Ummi Reply
omeprazole
Kamara
what
Renee
what is this
Renee
is a drug
Kamara
of anti-ulcer
Kamara
Omeprazole Cimetidine / Tagament For the complicated once ulcer - kit
Patrick
what is the function of lymphatic system
Nency Reply
Not really sure
Eli
to drain extracellular fluid all over the body.
asegid
The lymphatic system plays several crucial roles in the human body, functioning as a key component of the immune system and contributing to the maintenance of fluid balance. Its main functions include: 1. Immune Response: The lymphatic system produces and transports lymphocytes, which are a type of
asegid
to transport fluids fats proteins and lymphocytes to the blood stream as lymph
Adama
what is anatomy
Oyindarmola Reply
Anatomy is the identification and description of the structures of living things
Kamara
what's the difference between anatomy and physiology
Oyerinde Reply
Anatomy is the study of the structure of the body, while physiology is the study of the function of the body. Anatomy looks at the body's organs and systems, while physiology looks at how those organs and systems work together to keep the body functioning.
AI-Robot
what is enzymes all about?
Mohammed Reply
Enzymes are proteins that help speed up chemical reactions in our bodies. Enzymes are essential for digestion, liver function and much more. Too much or too little of a certain enzyme can cause health problems
Kamara
yes
Prince
how does the stomach protect itself from the damaging effects of HCl
Wulku Reply
little girl okay how does the stomach protect itself from the damaging effect of HCL
Wulku
it is because of the enzyme that the stomach produce that help the stomach from the damaging effect of HCL
Kamara
function of digestive system
Ali Reply
function of digestive
Ali
the diagram of the lungs
Adaeze Reply
what is the normal body temperature
Diya Reply
37 degrees selcius
Xolo
37°c
Stephanie
please why 37 degree selcius normal temperature
Mark
36.5
Simon
37°c
Iyogho
the normal temperature is 37°c or 98.6 °Fahrenheit is important for maintaining the homeostasis in the body the body regular this temperature through the process called thermoregulation which involves brain skin muscle and other organ working together to maintain stable internal temperature
Stephanie
37A c
Wulku
what is anaemia
Diya Reply
anaemia is the decrease in RBC count hemoglobin count and PVC count
Eniola
what is the pH of the vagina
Diya Reply
how does Lysin attack pathogens
Diya
acid
Mary
I information on anatomy position and digestive system and there enzyme
Elisha Reply
anatomy of the female external genitalia
Muhammad Reply
Organ Systems Of The Human Body (Continued) Organ Systems Of The Human Body (Continued)
Theophilus Reply
what's lochia albra
Kizito
Got questions? Join the online conversation and get instant answers!
Jobilize.com Reply

Get Jobilize Job Search Mobile App in your pocket Now!

Get it on Google Play Download on the App Store Now




Source:  OpenStax, Fundamentals of mathematics. OpenStax CNX. Aug 18, 2010 Download for free at http://cnx.org/content/col10615/1.4
Google Play and the Google Play logo are trademarks of Google Inc.

Notification Switch

Would you like to follow the 'Fundamentals of mathematics' conversation and receive update notifications?

Ask