9(x+9)=5x-2(-x)

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Solution for 9(x+9)=5x-2(-x) equation: 



9(x+9)=5x-2(-x)

We move all terms to the left:

9(x+9)-(5x-2(-x))=0

We add all the numbers together, and all the variables

9(x+9)-(5x-2(-1x))=0

We multiply parentheses

9x-(5x-2(-1x))+81=0



We calculate terms in parentheses: -(5x-2(-1x)), so:

5x-2(-1x)

We multiply parentheses

5x+2x

We add all the numbers together, and all the variables

7x

Back to the equation:

-(7x)



We add all the numbers together, and all the variables

2x+81=0

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

2x=-81

x=-81/2

x=-40+1/2

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