-3(-6x+7)=87

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Solution for -3(-6x+7)=87 equation: 



-3(-6x+7)=87

We move all terms to the left:

-3(-6x+7)-(87)=0

We multiply parentheses

18x-21-87=0

We add all the numbers together, and all the variables

18x-108=0

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

18x=108

x=108/18

x=6

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