3(-2y-4)=30

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Solution for 3(-2y-4)=30 equation: 



3(-2y-4)=30

We move all terms to the left:

3(-2y-4)-(30)=0

We multiply parentheses

-6y-12-30=0

We add all the numbers together, and all the variables

-6y-42=0

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

-6y=42

y=42/-6

y=-7

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