X-9=2(x-3)+12

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Solution for X-9=2(x-3)+12 equation: 



X-9=2(X-3)+12

We move all terms to the left:

X-9-(2(X-3)+12)=0



We calculate terms in parentheses: -(2(X-3)+12), so:

2(X-3)+12

We multiply parentheses

2X-6+12

We add all the numbers together, and all the variables

2X+6

Back to the equation:

-(2X+6)



We get rid of parentheses

X-2X-6-9=0

We add all the numbers together, and all the variables

-1X-15=0

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

-X=15

X=15/-1

X=-15

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