-3(-7x+7)-9x=4(x-8)-7

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Solution for -3(-7x+7)-9x=4(x-8)-7 equation: 



-3(-7x+7)-9x=4(x-8)-7

We move all terms to the left:

-3(-7x+7)-9x-(4(x-8)-7)=0

We add all the numbers together, and all the variables

-9x-3(-7x+7)-(4(x-8)-7)=0

We multiply parentheses

-9x+21x-(4(x-8)-7)-21=0



We calculate terms in parentheses: -(4(x-8)-7), so:

4(x-8)-7

We multiply parentheses

4x-32-7

We add all the numbers together, and all the variables

4x-39

Back to the equation:

-(4x-39)



We add all the numbers together, and all the variables

12x-(4x-39)-21=0

We get rid of parentheses

12x-4x+39-21=0

We add all the numbers together, and all the variables

8x+18=0

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

8x=-18

x=-18/8

x=-2+1/4

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