-y+7=-2y

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



-y+7=-2y

We move all terms to the left:

-y+7-(-2y)=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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