2+18=7a

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Solution for 2+18=7a equation: 



2+18=7a

We move all terms to the left:

2+18-(7a)=0

We add all the numbers together, and all the variables

-7a+20=0

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

-7a=-20

a=-20/-7

a=2+6/7

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