2a+1=9a=

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Solution for 2a+1=9a= equation: 



2a+1=9a=

We move all terms to the left:

2a+1-(9a)=0

We add all the numbers together, and all the variables

-7a+1=0

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

-7a=-1

a=-1/-7

a=1/7

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