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

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



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

We move all terms to the left:

3x-12-(2(2x-12)+x)=0



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

2(2x-12)+x

We add all the numbers together, and all the variables

x+2(2x-12)

We multiply parentheses

x+4x-24

We add all the numbers together, and all the variables

5x-24

Back to the equation:

-(5x-24)



We get rid of parentheses

3x-5x+24-12=0

We add all the numbers together, and all the variables

-2x+12=0

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

-2x=-12

x=-12/-2

x=+6

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