15x+9=3(4x-1)

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Solution for 15x+9=3(4x-1) equation: 



15x+9=3(4x-1)

We move all terms to the left:

15x+9-(3(4x-1))=0



We calculate terms in parentheses: -(3(4x-1)), so:

3(4x-1)

We multiply parentheses

12x-3

Back to the equation:

-(12x-3)



We get rid of parentheses

15x-12x+3+9=0

We add all the numbers together, and all the variables

3x+12=0

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

3x=-12

x=-12/3

x=-4

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