C)7x+12=3(5x-9)

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Solution for C)7x+12=3(5x-9) equation: 



)7C+12=3(5C-9)

We move all terms to the left:

)7C+12-(3(5C-9))=0



We calculate terms in parentheses: -(3(5C-9)), so:

3(5C-9)

We multiply parentheses

15C-27

Back to the equation:

-(15C-27)



We get rid of parentheses

)7C-15C+27+12=0

We add all the numbers together, and all the variables

-15C+)7C+39=0

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