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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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



We calculate terms in parentheses: -(3x+2(-1x-2)), so:

3x+2(-1x-2)

We multiply parentheses

3x-2x-4

We add all the numbers together, and all the variables

x-4

Back to the equation:

-(x-4)



We get rid of parentheses

-x+4+3=0

We add all the numbers together, and all the variables

-1x+7=0

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

-x=-7

x=-7/-1

x=+7

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