-40-7a=2(-2-8a)

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Solution for -40-7a=2(-2-8a) equation: 



-40-7a=2(-2-8a)

We move all terms to the left:

-40-7a-(2(-2-8a))=0

We add all the numbers together, and all the variables

-7a-(2(-8a-2))-40=0



We calculate terms in parentheses: -(2(-8a-2)), so:

2(-8a-2)

We multiply parentheses

-16a-4

Back to the equation:

-(-16a-4)



We get rid of parentheses

-7a+16a+4-40=0

We add all the numbers together, and all the variables

9a-36=0

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

9a=36

a=36/9

a=4

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