-38=-2(3a-4)-7(4a-8)

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Solution for -38=-2(3a-4)-7(4a-8) equation: 



-38=-2(3a-4)-7(4a-8)

We move all terms to the left:

-38-(-2(3a-4)-7(4a-8))=0



We calculate terms in parentheses: -(-2(3a-4)-7(4a-8)), so:

-2(3a-4)-7(4a-8)

We multiply parentheses

-6a-28a+8+56

We add all the numbers together, and all the variables

-34a+64

Back to the equation:

-(-34a+64)



We get rid of parentheses

34a-64-38=0

We add all the numbers together, and all the variables

34a-102=0

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

34a=102

a=102/34

a=3

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