7x-12=9(x-3)

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Solution for 7x-12=9(x-3) equation: 



7x-12=9(x-3)

We move all terms to the left:

7x-12-(9(x-3))=0



We calculate terms in parentheses: -(9(x-3)), so:

9(x-3)

We multiply parentheses

9x-27

Back to the equation:

-(9x-27)



We get rid of parentheses

7x-9x+27-12=0

We add all the numbers together, and all the variables

-2x+15=0

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

-2x=-15

x=-15/-2

x=7+1/2

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