3x-7-7(x+2)=-(6x+3)

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Solution for 3x-7-7(x+2)=-(6x+3) equation: 



3x-7-7(x+2)=-(6x+3)

We move all terms to the left:

3x-7-7(x+2)-(-(6x+3))=0

We multiply parentheses

3x-7x-(-(6x+3))-14-7=0



We calculate terms in parentheses: -(-(6x+3)), so:

-(6x+3)

We get rid of parentheses

-6x-3

Back to the equation:

-(-6x-3)



We add all the numbers together, and all the variables

-4x-(-6x-3)-21=0

We get rid of parentheses

-4x+6x+3-21=0

We add all the numbers together, and all the variables

2x-18=0

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

2x=18

x=18/2

x=9

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