7+3(y-1)=31

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Solution for 7+3(y-1)=31 equation: 



7+3(y-1)=31

We move all terms to the left:

7+3(y-1)-(31)=0

We add all the numbers together, and all the variables

3(y-1)-24=0

We multiply parentheses

3y-3-24=0

We add all the numbers together, and all the variables

3y-27=0

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

3y=27

y=27/3

y=9

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