2a-9=8a+3

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Solution for 2a-9=8a+3 equation: 



2a-9=8a+3

We move all terms to the left:

2a-9-(8a+3)=0

We get rid of parentheses

2a-8a-3-9=0

We add all the numbers together, and all the variables

-6a-12=0

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

-6a=12

a=12/-6

a=-2

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