3-(-1)=-(3x-8)+7x

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Solution for 3-(-1)=-(3x-8)+7x equation: 



3-(-1)=-(3x-8)+7x

We move all terms to the left:

3-(-1)-(-(3x-8)+7x)=0

We add all the numbers together, and all the variables

-(-(3x-8)+7x)+4=0



We calculate terms in parentheses: -(-(3x-8)+7x), so:

-(3x-8)+7x

We add all the numbers together, and all the variables

7x-(3x-8)

We get rid of parentheses

7x-3x+8

We add all the numbers together, and all the variables

4x+8

Back to the equation:

-(4x+8)



We get rid of parentheses

-4x-8+4=0

We add all the numbers together, and all the variables

-4x-4=0

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

-4x=4

x=4/-4

x=-1

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