7(y-12)=-21

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Solution for 7(y-12)=-21 equation: 



7(y-12)=-21

We move all terms to the left:

7(y-12)-(-21)=0

We add all the numbers together, and all the variables

7(y-12)+21=0

We multiply parentheses

7y-84+21=0

We add all the numbers together, and all the variables

7y-63=0

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

7y=63

y=63/7

y=9

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