9+2y=y+7

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Solution for 9+2y=y+7 equation: 



9+2y=y+7

We move all terms to the left:

9+2y-(y+7)=0

We get rid of parentheses

2y-y-7+9=0

We add all the numbers together, and all the variables

y+2=0

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

y=-2

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