-31=-8(2a-7)

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Solution for -31=-8(2a-7) equation: 



-31=-8(2a-7)

We move all terms to the left:

-31-(-8(2a-7))=0



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

-8(2a-7)

We multiply parentheses

-16a+56

Back to the equation:

-(-16a+56)



We get rid of parentheses

16a-56-31=0

We add all the numbers together, and all the variables

16a-87=0

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

16a=87

a=87/16

a=5+7/16

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