19+9e=21

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Solution for 19+9e=21 equation: 



19+9e=21

We move all terms to the left:

19+9e-(21)=0

We add all the numbers together, and all the variables

9e-2=0

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

9e=2

e=2/9

e=2/9

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