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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We multiply parentheses

-7x-(-(3x+3))+21=0



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

-(3x+3)

We get rid of parentheses

-3x-3

Back to the equation:

-(-3x-3)



We get rid of parentheses

-7x+3x+3+21=0

We add all the numbers together, and all the variables

-4x+24=0

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

-4x=-24

x=-24/-4

x=+6

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