X=2x+(x+4)

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Solution for X=2x+(x+4) equation: 



X=2X+(X+4)

We move all terms to the left:

X-(2X+(X+4))=0



We calculate terms in parentheses: -(2X+(X+4)), so:

2X+(X+4)

We get rid of parentheses

2X+X+4

We add all the numbers together, and all the variables

3X+4

Back to the equation:

-(3X+4)



We get rid of parentheses

X-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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