-9=6-(8-a)

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Solution for -9=6-(8-a) equation: 



-9=6-(8-a)

We move all terms to the left:

-9-(6-(8-a))=0

We add all the numbers together, and all the variables

-(6-(-1a+8))-9=0



We calculate terms in parentheses: -(6-(-1a+8)), so:

6-(-1a+8)

determiningTheFunctionDomain
-(-1a+8)+6

We get rid of parentheses

1a-8+6

We add all the numbers together, and all the variables

a-2

Back to the equation:

-(a-2)



We get rid of parentheses

-a+2-9=0

We add all the numbers together, and all the variables

-1a-7=0

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

-a=7

a=7/-1

a=-7

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