3(-7x-7)=-84

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Solution for 3(-7x-7)=-84 equation: 



3(-7x-7)=-84

We move all terms to the left:

3(-7x-7)-(-84)=0

We add all the numbers together, and all the variables

3(-7x-7)+84=0

We multiply parentheses

-21x-21+84=0

We add all the numbers together, and all the variables

-21x+63=0

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

-21x=-63

x=-63/-21

x=+3

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