-(a+9)-7a+9=24

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Solution for -(a+9)-7a+9=24 equation: 



-(a+9)-7a+9=24

We move all terms to the left:

-(a+9)-7a+9-(24)=0

We add all the numbers together, and all the variables

-7a-(a+9)-15=0

We get rid of parentheses

-7a-a-9-15=0

We add all the numbers together, and all the variables

-8a-24=0

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

-8a=24

a=24/-8

a=-3

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