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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

-3x+1x-7-9=0

We add all the numbers together, and all the variables

-2x-16=0

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

-2x=16

x=16/-2

x=-8

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