-(3x-7)=20

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Solution for -(3x-7)=20 equation: 



-(3x-7)=20

We move all terms to the left:

-(3x-7)-(20)=0

We get rid of parentheses

-3x+7-20=0

We add all the numbers together, and all the variables

-3x-13=0

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

-3x=13

x=13/-3

x=-4+1/3

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