8a+6=-13(a+6)

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Solution for 8a+6=-13(a+6) equation: 



8a+6=-13(a+6)

We move all terms to the left:

8a+6-(-13(a+6))=0



We calculate terms in parentheses: -(-13(a+6)), so:

-13(a+6)

We multiply parentheses

-13a-78

Back to the equation:

-(-13a-78)



We get rid of parentheses

8a+13a+78+6=0

We add all the numbers together, and all the variables

21a+84=0

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

21a=-84

a=-84/21

a=-4

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