7(y-7)-3y=-9

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Solution for 7(y-7)-3y=-9 equation: 



7(y-7)-3y=-9

We move all terms to the left:

7(y-7)-3y-(-9)=0

We add all the numbers together, and all the variables

-3y+7(y-7)+9=0

We multiply parentheses

-3y+7y-49+9=0

We add all the numbers together, and all the variables

4y-40=0

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

4y=40

y=40/4

y=10

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