15x=12(x-1)

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Solution for 15x=12(x-1) equation: 



15x=12(x-1)

We move all terms to the left:

15x-(12(x-1))=0



We calculate terms in parentheses: -(12(x-1)), so:

12(x-1)

We multiply parentheses

12x-12

Back to the equation:

-(12x-12)



We get rid of parentheses

15x-12x+12=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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