7(3-y)=-7

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Solution for 7(3-y)=-7 equation: 



7(3-y)=-7

We move all terms to the left:

7(3-y)-(-7)=0

We add all the numbers together, and all the variables

7(-1y+3)-(-7)=0

We add all the numbers together, and all the variables

7(-1y+3)+7=0

We multiply parentheses

-7y+21+7=0

We add all the numbers together, and all the variables

-7y+28=0

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

-7y=-28

y=-28/-7

y=+4

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