3x+9+2x=3(2x+4)

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Solution for 3x+9+2x=3(2x+4) equation: 



3x+9+2x=3(2x+4)

We move all terms to the left:

3x+9+2x-(3(2x+4))=0

We add all the numbers together, and all the variables

5x-(3(2x+4))+9=0



We calculate terms in parentheses: -(3(2x+4)), so:

3(2x+4)

We multiply parentheses

6x+12

Back to the equation:

-(6x+12)



We get rid of parentheses

5x-6x-12+9=0

We add all the numbers together, and all the variables

-1x-3=0

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

-x=3

x=3/-1

x=-3

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