3x=x-(-4)

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Solution for 3x=x-(-4) equation: 



3x=x-(-4)

We move all terms to the left:

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



We calculate terms in parentheses: -(x-(-4)), so:

x-(-4)

We add all the numbers together, and all the variables

x+4

Back to the equation:

-(x+4)



We get rid of parentheses

3x-x-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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