7(y=3)=30

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Solution for 7(y=3)=30 equation: 



7(y=3)=30

We move all terms to the left:

7(y-(3))=0

We multiply parentheses

7y-21=0

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

7y=21

y=21/7

y=3

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