9-8a=11+4a

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Solution for 9-8a=11+4a equation: 



9-8a=11+4a

We move all terms to the left:

9-8a-(11+4a)=0

We add all the numbers together, and all the variables

-8a-(4a+11)+9=0

We get rid of parentheses

-8a-4a-11+9=0

We add all the numbers together, and all the variables

-12a-2=0

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

-12a=2

a=2/-12

a=-1/6

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