3(y-42)=87

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Solution for 3(y-42)=87 equation: 



3(y-42)=87

We move all terms to the left:

3(y-42)-(87)=0

We multiply parentheses

3y-126-87=0

We add all the numbers together, and all the variables

3y-213=0

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

3y=213

y=213/3

y=71

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