3x+8=-2(9-x)

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Solution for 3x+8=-2(9-x) equation: 



3x+8=-2(9-x)

We move all terms to the left:

3x+8-(-2(9-x))=0

We add all the numbers together, and all the variables

3x-(-2(-1x+9))+8=0



We calculate terms in parentheses: -(-2(-1x+9)), so:

-2(-1x+9)

We multiply parentheses

2x-18

Back to the equation:

-(2x-18)



We get rid of parentheses

3x-2x+18+8=0

We add all the numbers together, and all the variables

x+26=0

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

x=-26

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