7y+7=2y-8

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Solution for 7y+7=2y-8 equation: 



7y+7=2y-8

We move all terms to the left:

7y+7-(2y-8)=0

We get rid of parentheses

7y-2y+8+7=0

We add all the numbers together, and all the variables

5y+15=0

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

5y=-15

y=-15/5

y=-3

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