-81=4(x-8)+3x

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Solution for -81=4(x-8)+3x equation: 



-81=4(x-8)+3x

We move all terms to the left:

-81-(4(x-8)+3x)=0



We calculate terms in parentheses: -(4(x-8)+3x), so:

4(x-8)+3x

We add all the numbers together, and all the variables

3x+4(x-8)

We multiply parentheses

3x+4x-32

We add all the numbers together, and all the variables

7x-32

Back to the equation:

-(7x-32)



We get rid of parentheses

-7x+32-81=0

We add all the numbers together, and all the variables

-7x-49=0

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

-7x=49

x=49/-7

x=-7

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