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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

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

We get rid of parentheses

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



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

(-3x)

We get rid of parentheses

-3x

Back to the equation:

-(-3x)



We add all the numbers together, and all the variables

-1x-(-3x)-4=0

We get rid of parentheses

-1x+3x-4=0

We add all the numbers together, and all the variables

2x-4=0

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

2x=4

x=4/2

x=2

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