4y-8=y+31

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Solution for 4y-8=y+31 equation: 



4y-8=y+31

We move all terms to the left:

4y-8-(y+31)=0

We get rid of parentheses

4y-y-31-8=0

We add all the numbers together, and all the variables

3y-39=0

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

3y=39

y=39/3

y=13

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