15=2-(a+6)

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Solution for 15=2-(a+6) equation: 



15=2-(a+6)

We move all terms to the left:

15-(2-(a+6))=0



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

2-(a+6)

determiningTheFunctionDomain
-(a+6)+2

We get rid of parentheses

-a-6+2

We add all the numbers together, and all the variables

-1a-4

Back to the equation:

-(-1a-4)



We get rid of parentheses

1a+4+15=0

We add all the numbers together, and all the variables

a+19=0

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

a=-19

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