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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

12x-(3(+5x))-15=0



We calculate terms in parentheses: -(3(+5x)), so:

3(+5x)

We multiply parentheses

15x

Back to the equation:

-(15x)



We add all the numbers together, and all the variables

-3x-15=0

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

-3x=15

x=15/-3

x=-5

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