3x-9+2x=3(2x-7)

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Solution for 3x-9+2x=3(2x-7) equation: 



3x-9+2x=3(2x-7)

We move all terms to the left:

3x-9+2x-(3(2x-7))=0

We add all the numbers together, and all the variables

5x-(3(2x-7))-9=0



We calculate terms in parentheses: -(3(2x-7)), so:

3(2x-7)

We multiply parentheses

6x-21

Back to the equation:

-(6x-21)



We get rid of parentheses

5x-6x+21-9=0

We add all the numbers together, and all the variables

-1x+12=0

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

-x=-12

x=-12/-1

x=+12

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