-120=-8(-5+2a)

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Solution for -120=-8(-5+2a) equation: 



-120=-8(-5+2a)

We move all terms to the left:

-120-(-8(-5+2a))=0

We add all the numbers together, and all the variables

-(-8(2a-5))-120=0



We calculate terms in parentheses: -(-8(2a-5)), so:

-8(2a-5)

We multiply parentheses

-16a+40

Back to the equation:

-(-16a+40)



We get rid of parentheses

16a-40-120=0

We add all the numbers together, and all the variables

16a-160=0

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

16a=160

a=160/16

a=10

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