0=-2a+7-3(-9-4a)

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Solution for 0=-2a+7-3(-9-4a) equation: 



0=-2a+7-3(-9-4a)

We move all terms to the left:

0-(-2a+7-3(-9-4a))=0

We add all the numbers together, and all the variables

-(-2a+7-3(-4a-9))+0=0

We add all the numbers together, and all the variables

-(-2a+7-3(-4a-9))=0



We calculate terms in parentheses: -(-2a+7-3(-4a-9)), so:

-2a+7-3(-4a-9)

determiningTheFunctionDomain
-2a-3(-4a-9)+7

We multiply parentheses

-2a+12a+27+7

We add all the numbers together, and all the variables

10a+34

Back to the equation:

-(10a+34)



We get rid of parentheses

-10a-34=0

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

-10a=34

a=34/-10

a=-3+2/5

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