9=8y-7

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Solution for 9=8y-7 equation: 



9=8y-7

We move all terms to the left:

9-(8y-7)=0

We get rid of parentheses

-8y+7+9=0

We add all the numbers together, and all the variables

-8y+16=0

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

-8y=-16

y=-16/-8

y=+2

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