3e-1=20

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Solution for 3e-1=20 equation: 



3e-1=20

We move all terms to the left:

3e-1-(20)=0

We add all the numbers together, and all the variables

3e-21=0

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

3e=21

e=21/3

e=7

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