12x-15=3(2x+3)=4

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Solution for 12x-15=3(2x+3)=4 equation: 



12x-15=3(2x+3)=4

We move all terms to the left:

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



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

3(2x+3)

We multiply parentheses

6x+9

Back to the equation:

-(6x+9)



We get rid of parentheses

12x-6x-9-15=0

We add all the numbers together, and all the variables

6x-24=0

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

6x=24

x=24/6

x=4

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