-y=-2y+7

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



-y=-2y+7

We move all terms to the left:

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

We add all the numbers together, and all the variables

-1y-(-2y+7)=0

We get rid of parentheses

-1y+2y-7=0

We add all the numbers together, and all the variables

y-7=0

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

y=7

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