-10=3-(9-a)

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Solution for -10=3-(9-a) equation: 



-10=3-(9-a)

We move all terms to the left:

-10-(3-(9-a))=0

We add all the numbers together, and all the variables

-(3-(-1a+9))-10=0



We calculate terms in parentheses: -(3-(-1a+9)), so:

3-(-1a+9)

determiningTheFunctionDomain
-(-1a+9)+3

We get rid of parentheses

1a-9+3

We add all the numbers together, and all the variables

a-6

Back to the equation:

-(a-6)



We get rid of parentheses

-a+6-10=0

We add all the numbers together, and all the variables

-1a-4=0

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

-a=4

a=4/-1

a=-4

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