-(3x+7)=-28

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Solution for -(3x+7)=-28 equation: 



-(3x+7)=-28

We move all terms to the left:

-(3x+7)-(-28)=0

We add all the numbers together, and all the variables

-(3x+7)+28=0

We get rid of parentheses

-3x-7+28=0

We add all the numbers together, and all the variables

-3x+21=0

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

-3x=-21

x=-21/-3

x=+7

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