3(y+7)=8y+31

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Solution for 3(y+7)=8y+31 equation: 



3(y+7)=8y+31

We move all terms to the left:

3(y+7)-(8y+31)=0

We multiply parentheses

3y-(8y+31)+21=0

We get rid of parentheses

3y-8y-31+21=0

We add all the numbers together, and all the variables

-5y-10=0

We move all terms containing y to the left, all other terms to the right

-5y=10

y=10/-5

y=-2

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