78=-6(-3-2a)

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Solution for 78=-6(-3-2a) equation: 



78=-6(-3-2a)

We move all terms to the left:

78-(-6(-3-2a))=0

We add all the numbers together, and all the variables

-(-6(-2a-3))+78=0



We calculate terms in parentheses: -(-6(-2a-3)), so:

-6(-2a-3)

We multiply parentheses

12a+18

Back to the equation:

-(12a+18)



We get rid of parentheses

-12a-18+78=0

We add all the numbers together, and all the variables

-12a+60=0

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

-12a=-60

a=-60/-12

a=+5

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