-3x+9x-2=-2(-7-x)

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Solution for -3x+9x-2=-2(-7-x) equation: 



-3x+9x-2=-2(-7-x)

We move all terms to the left:

-3x+9x-2-(-2(-7-x))=0

We add all the numbers together, and all the variables

-3x+9x-(-2(-1x-7))-2=0

We add all the numbers together, and all the variables

6x-(-2(-1x-7))-2=0



We calculate terms in parentheses: -(-2(-1x-7)), so:

-2(-1x-7)

We multiply parentheses

2x+14

Back to the equation:

-(2x+14)



We get rid of parentheses

6x-2x-14-2=0

We add all the numbers together, and all the variables

4x-16=0

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

4x=16

x=16/4

x=4

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