-78=4a+6(a-3)

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Solution for -78=4a+6(a-3) equation: 



-78=4a+6(a-3)

We move all terms to the left:

-78-(4a+6(a-3))=0



We calculate terms in parentheses: -(4a+6(a-3)), so:

4a+6(a-3)

We multiply parentheses

4a+6a-18

We add all the numbers together, and all the variables

10a-18

Back to the equation:

-(10a-18)



We get rid of parentheses

-10a+18-78=0

We add all the numbers together, and all the variables

-10a-60=0

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

-10a=60

a=60/-10

a=-6

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