9y-4=y+7

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Solution for 9y-4=y+7 equation: 



9y-4=y+7

We move all terms to the left:

9y-4-(y+7)=0

We get rid of parentheses

9y-y-7-4=0

We add all the numbers together, and all the variables

8y-11=0

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

8y=11

y=11/8

y=1+3/8

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