-70=-10(-8+a)

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Solution for -70=-10(-8+a) equation: 



-70=-10(-8+a)

We move all terms to the left:

-70-(-10(-8+a))=0

We add all the numbers together, and all the variables

-(-10(a-8))-70=0



We calculate terms in parentheses: -(-10(a-8)), so:

-10(a-8)

We multiply parentheses

-10a+80

Back to the equation:

-(-10a+80)



We get rid of parentheses

10a-80-70=0

We add all the numbers together, and all the variables

10a-150=0

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

10a=150

a=150/10

a=15

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