9y-9=y-7

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Solution for 9y-9=y-7 equation: 



9y-9=y-7

We move all terms to the left:

9y-9-(y-7)=0

We get rid of parentheses

9y-y+7-9=0

We add all the numbers together, and all the variables

8y-2=0

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

8y=2

y=2/8

y=1/4

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