4x-20=-(20-2x)

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Solution for 4x-20=-(20-2x) equation: 



4x-20=-(20-2x)

We move all terms to the left:

4x-20-(-(20-2x))=0

We add all the numbers together, and all the variables

4x-(-(-2x+20))-20=0



We calculate terms in parentheses: -(-(-2x+20)), so:

-(-2x+20)

We get rid of parentheses

2x-20

Back to the equation:

-(2x-20)



We get rid of parentheses

4x-2x+20-20=0

We add all the numbers together, and all the variables

2x=0

x=0/2

x=0

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