86=-2(7a+6)

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Solution for 86=-2(7a+6) equation: 



86=-2(7a+6)

We move all terms to the left:

86-(-2(7a+6))=0



We calculate terms in parentheses: -(-2(7a+6)), so:

-2(7a+6)

We multiply parentheses

-14a-12

Back to the equation:

-(-14a-12)



We get rid of parentheses

14a+12+86=0

We add all the numbers together, and all the variables

14a+98=0

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

14a=-98

a=-98/14

a=-7

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