-2(7-y)=4=4

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Solution for -2(7-y)=4=4 equation: 



-2(7-y)=4=4

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

2y-14-4=0

We add all the numbers together, and all the variables

2y-18=0

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

2y=18

y=18/2

y=9

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