-86=-2-7(-4-4a)

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Solution for -86=-2-7(-4-4a) equation: 



-86=-2-7(-4-4a)

We move all terms to the left:

-86-(-2-7(-4-4a))=0

We add all the numbers together, and all the variables

-(-2-7(-4a-4))-86=0



We calculate terms in parentheses: -(-2-7(-4a-4)), so:

-2-7(-4a-4)

determiningTheFunctionDomain
-7(-4a-4)-2

We multiply parentheses

28a+28-2

We add all the numbers together, and all the variables

28a+26

Back to the equation:

-(28a+26)



We get rid of parentheses

-28a-26-86=0

We add all the numbers together, and all the variables

-28a-112=0

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

-28a=112

a=112/-28

a=-4

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