-280=8(8a-3)

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Solution for -280=8(8a-3) equation: 



-280=8(8a-3)

We move all terms to the left:

-280-(8(8a-3))=0



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

8(8a-3)

We multiply parentheses

64a-24

Back to the equation:

-(64a-24)



We get rid of parentheses

-64a+24-280=0

We add all the numbers together, and all the variables

-64a-256=0

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

-64a=256

a=256/-64

a=-4

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