20=2x-(34-x)

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Solution for 20=2x-(34-x) equation: 



20=2x-(34-x)

We move all terms to the left:

20-(2x-(34-x))=0

We add all the numbers together, and all the variables

-(2x-(-1x+34))+20=0



We calculate terms in parentheses: -(2x-(-1x+34)), so:

2x-(-1x+34)

We get rid of parentheses

2x+1x-34

We add all the numbers together, and all the variables

3x-34

Back to the equation:

-(3x-34)



We get rid of parentheses

-3x+34+20=0

We add all the numbers together, and all the variables

-3x+54=0

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

-3x=-54

x=-54/-3

x=+18

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