9y+7=8y-1

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Solution for 9y+7=8y-1 equation: 



9y+7=8y-1

We move all terms to the left:

9y+7-(8y-1)=0

We get rid of parentheses

9y-8y+1+7=0

We add all the numbers together, and all the variables

y+8=0

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

y=-8

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