X+8+2x=-(x+20)

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Solution for X+8+2x=-(x+20) equation: 



X+8+2X=-(X+20)

We move all terms to the left:

X+8+2X-(-(X+20))=0

We add all the numbers together, and all the variables

3X-(-(X+20))+8=0



We calculate terms in parentheses: -(-(X+20)), so:

-(X+20)

We get rid of parentheses

-X-20

We add all the numbers together, and all the variables

-1X-20

Back to the equation:

-(-1X-20)



We get rid of parentheses

3X+1X+20+8=0

We add all the numbers together, and all the variables

4X+28=0

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

4X=-28

X=-28/4

X=-7

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