18=-2(-x-4)

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Solution for 18=-2(-x-4) equation: 



18=-2(-x-4)

We move all terms to the left:

18-(-2(-x-4))=0

We add all the numbers together, and all the variables

-(-2(-1x-4))+18=0



We calculate terms in parentheses: -(-2(-1x-4)), so:

-2(-1x-4)

We multiply parentheses

2x+8

Back to the equation:

-(2x+8)



We get rid of parentheses

-2x-8+18=0

We add all the numbers together, and all the variables

-2x+10=0

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

-2x=-10

x=-10/-2

x=+5

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