20-9e=2

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Solution for 20-9e=2 equation: 



20-9e=2

We move all terms to the left:

20-9e-(2)=0

We add all the numbers together, and all the variables

-9e+18=0

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

-9e=-18

e=-18/-9

e=+2

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