2-9=5a

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Solution for 2-9=5a equation: 



2-9=5a

We move all terms to the left:

2-9-(5a)=0

We add all the numbers together, and all the variables

-5a-7=0

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

-5a=7

a=7/-5

a=-1+2/5

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