15+12x=3(2x+1)

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Solution for 15+12x=3(2x+1) equation: 



15+12x=3(2x+1)

We move all terms to the left:

15+12x-(3(2x+1))=0



We calculate terms in parentheses: -(3(2x+1)), so:

3(2x+1)

We multiply parentheses

6x+3

Back to the equation:

-(6x+3)



We get rid of parentheses

12x-6x-3+15=0

We add all the numbers together, and all the variables

6x+12=0

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

6x=-12

x=-12/6

x=-2

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