0=4-4(-2a-9)+10a

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Solution for 0=4-4(-2a-9)+10a equation: 



0=4-4(-2a-9)+10a

We move all terms to the left:

0-(4-4(-2a-9)+10a)=0

We add all the numbers together, and all the variables

-(4-4(-2a-9)+10a)=0



We calculate terms in parentheses: -(4-4(-2a-9)+10a), so:

4-4(-2a-9)+10a

determiningTheFunctionDomain
-4(-2a-9)+10a+4

We add all the numbers together, and all the variables

10a-4(-2a-9)+4

We multiply parentheses

10a+8a+36+4

We add all the numbers together, and all the variables

18a+40

Back to the equation:

-(18a+40)



We get rid of parentheses

-18a-40=0

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

-18a=40

a=40/-18

a=-2+2/9

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