-9=8(x+7)+2x

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Solution for -9=8(x+7)+2x equation: 



-9=8(x+7)+2x

We move all terms to the left:

-9-(8(x+7)+2x)=0



We calculate terms in parentheses: -(8(x+7)+2x), so:

8(x+7)+2x

We add all the numbers together, and all the variables

2x+8(x+7)

We multiply parentheses

2x+8x+56

We add all the numbers together, and all the variables

10x+56

Back to the equation:

-(10x+56)



We get rid of parentheses

-10x-56-9=0

We add all the numbers together, and all the variables

-10x-65=0

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

-10x=65

x=65/-10

x=-6+1/2

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