-(x+3)+2(x+7)=-20

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Solution for -(x+3)+2(x+7)=-20 equation: 



-(x+3)+2(x+7)=-20

We move all terms to the left:

-(x+3)+2(x+7)-(-20)=0

We add all the numbers together, and all the variables

-(x+3)+2(x+7)+20=0

We multiply parentheses

-(x+3)+2x+14+20=0

We get rid of parentheses

-x+2x-3+14+20=0

We add all the numbers together, and all the variables

x+31=0

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

x=-31

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