twice a number increased by 12 is equal to 31 less than three times the number

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05-06-2018
Mathematics

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twice a number increased by 12 is equal to 31 less than three times the number

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olivia184 olivia184 · Answer 1 · 2018-06-05T04:09:34+02:00

olivia184 olivia184

05-06-2018

the answer is 43. you set the variable x equal to the words given in the equation. then you get the x terms on the same side and everything else on the other side and solve

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adollasign adollasign · Answer 2 · 2018-06-05T04:11:58+02:00

adollasign adollasign

05-06-2018

x= the number
2x+12=3x-31

2x-3x= -31x-12
-x= -43

-x/-x= x
-43/-x= 43

x=43

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