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

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



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

We move all terms to the left:

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

We add all the numbers together, and all the variables

12x-(3(4x+3))+9=0



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

3(4x+3)

We multiply parentheses

12x+9

Back to the equation:

-(12x+9)



We get rid of parentheses

12x-12x-9+9=0

We add all the numbers together, and all the variables

=0

x=0/1

x=0

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