-4+2=7-y

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Solution for -4+2=7-y equation: 



-4+2=7-y

We move all terms to the left:

-4+2-(7-y)=0

We add all the numbers together, and all the variables

-(-1y+7)-4+2=0

We add all the numbers together, and all the variables

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

We get rid of parentheses

1y-7-2=0

We add all the numbers together, and all the variables

y-9=0

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

y=9

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