12=7x+2(x-3)

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Solution for 12=7x+2(x-3) equation: 



12=7x+2(x-3)

We move all terms to the left:

12-(7x+2(x-3))=0



We calculate terms in parentheses: -(7x+2(x-3)), so:

7x+2(x-3)

We multiply parentheses

7x+2x-6

We add all the numbers together, and all the variables

9x-6

Back to the equation:

-(9x-6)



We get rid of parentheses

-9x+6+12=0

We add all the numbers together, and all the variables

-9x+18=0

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

-9x=-18

x=-18/-9

x=+2

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