-40-8a=-3a-3(6a-4)

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Solution for -40-8a=-3a-3(6a-4) equation: 



-40-8a=-3a-3(6a-4)

We move all terms to the left:

-40-8a-(-3a-3(6a-4))=0



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

-3a-3(6a-4)

We multiply parentheses

-3a-18a+12

We add all the numbers together, and all the variables

-21a+12

Back to the equation:

-(-21a+12)



We get rid of parentheses

-8a+21a-12-40=0

We add all the numbers together, and all the variables

13a-52=0

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

13a=52

a=52/13

a=4

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