-4a+12=5(a-3)

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Solution for -4a+12=5(a-3) equation: 



-4a+12=5(a-3)

We move all terms to the left:

-4a+12-(5(a-3))=0



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

5(a-3)

We multiply parentheses

5a-15

Back to the equation:

-(5a-15)



We get rid of parentheses

-4a-5a+15+12=0

We add all the numbers together, and all the variables

-9a+27=0

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

-9a=-27

a=-27/-9

a=+3

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