-3(2x+7)=8x+7

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Solution for -3(2x+7)=8x+7 equation: 



-3(2x+7)=8x+7

We move all terms to the left:

-3(2x+7)-(8x+7)=0

We multiply parentheses

-6x-(8x+7)-21=0

We get rid of parentheses

-6x-8x-7-21=0

We add all the numbers together, and all the variables

-14x-28=0

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

-14x=28

x=28/-14

x=-2

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