-186=-8(7+5a)

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Solution for -186=-8(7+5a) equation: 



-186=-8(7+5a)

We move all terms to the left:

-186-(-8(7+5a))=0

We add all the numbers together, and all the variables

-(-8(5a+7))-186=0



We calculate terms in parentheses: -(-8(5a+7)), so:

-8(5a+7)

We multiply parentheses

-40a-56

Back to the equation:

-(-40a-56)



We get rid of parentheses

40a+56-186=0

We add all the numbers together, and all the variables

40a-130=0

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

40a=130

a=130/40

a=3+1/4

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