64=-2(-2+6a)

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Solution for 64=-2(-2+6a) equation: 



64=-2(-2+6a)

We move all terms to the left:

64-(-2(-2+6a))=0

We add all the numbers together, and all the variables

-(-2(6a-2))+64=0



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

-2(6a-2)

We multiply parentheses

-12a+4

Back to the equation:

-(-12a+4)



We get rid of parentheses

12a-4+64=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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