-9=7(x-7)-3x

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



-9=7(x-7)-3x

We move all terms to the left:

-9-(7(x-7)-3x)=0



We calculate terms in parentheses: -(7(x-7)-3x), so:

7(x-7)-3x

We add all the numbers together, and all the variables

-3x+7(x-7)

We multiply parentheses

-3x+7x-49

We add all the numbers together, and all the variables

4x-49

Back to the equation:

-(4x-49)



We get rid of parentheses

-4x+49-9=0

We add all the numbers together, and all the variables

-4x+40=0

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

-4x=-40

x=-40/-4

x=+10

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