-9+4a-9=8a+6

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Solution for -9+4a-9=8a+6 equation: 



-9+4a-9=8a+6

We move all terms to the left:

-9+4a-9-(8a+6)=0

We add all the numbers together, and all the variables

4a-(8a+6)-18=0

We get rid of parentheses

4a-8a-6-18=0

We add all the numbers together, and all the variables

-4a-24=0

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

-4a=24

a=24/-4

a=-6

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