4x=-(x+20)

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Solution for 4x=-(x+20) equation: 



4x=-(x+20)

We move all terms to the left:

4x-(-(x+20))=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

4x+1x+20=0

We add all the numbers together, and all the variables

5x+20=0

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

5x=-20

x=-20/5

x=-4

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