3+9=2(2x-6)

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Solution for 3+9=2(2x-6) equation: 



3+9=2(2x-6)

We move all terms to the left:

3+9-(2(2x-6))=0

We add all the numbers together, and all the variables

-(2(2x-6))+12=0



We calculate terms in parentheses: -(2(2x-6)), so:

2(2x-6)

We multiply parentheses

4x-12

Back to the equation:

-(4x-12)



We get rid of parentheses

-4x+12+12=0

We add all the numbers together, and all the variables

-4x+24=0

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

-4x=-24

x=-24/-4

x=+6

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