X+15=2(x+3)

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Solution for X+15=2(x+3) equation: 



X+15=2(X+3)

We move all terms to the left:

X+15-(2(X+3))=0



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

2(X+3)

We multiply parentheses

2X+6

Back to the equation:

-(2X+6)



We get rid of parentheses

X-2X-6+15=0

We add all the numbers together, and all the variables

-1X+9=0

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

-X=-9

X=-9/-1

X=+9

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