18+x=-2(-6+x)

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Solution for 18+x=-2(-6+x) equation: 



18+x=-2(-6+x)

We move all terms to the left:

18+x-(-2(-6+x))=0

We add all the numbers together, and all the variables

x-(-2(x-6))+18=0



We calculate terms in parentheses: -(-2(x-6)), so:

-2(x-6)

We multiply parentheses

-2x+12

Back to the equation:

-(-2x+12)



We get rid of parentheses

x+2x-12+18=0

We add all the numbers together, and all the variables

3x+6=0

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

3x=-6

x=-6/3

x=-2

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