7x+12=3(2x+6)

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Solution for 7x+12=3(2x+6) equation: 



7x+12=3(2x+6)

We move all terms to the left:

7x+12-(3(2x+6))=0



We calculate terms in parentheses: -(3(2x+6)), so:

3(2x+6)

We multiply parentheses

6x+18

Back to the equation:

-(6x+18)



We get rid of parentheses

7x-6x-18+12=0

We add all the numbers together, and all the variables

x-6=0

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

x=6

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