20=3x-(-2)

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Solution for 20=3x-(-2) equation: 



20=3x-(-2)

We move all terms to the left:

20-(3x-(-2))=0



We calculate terms in parentheses: -(3x-(-2)), so:

3x-(-2)

We add all the numbers together, and all the variables

3x+2

Back to the equation:

-(3x+2)



We get rid of parentheses

-3x-2+20=0

We add all the numbers together, and all the variables

-3x+18=0

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

-3x=-18

x=-18/-3

x=+6

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