X+15=4*(x-3)

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Solution for X+15=4*(x-3) equation: 



X+15=4(X-3)

We move all terms to the left:

X+15-(4(X-3))=0



We calculate terms in parentheses: -(4(X-3)), so:

4(X-3)

We multiply parentheses

4X-12

Back to the equation:

-(4X-12)



We get rid of parentheses

X-4X+12+15=0

We add all the numbers together, and all the variables

-3X+27=0

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

-3X=-27

X=-27/-3

X=+9

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