4e+7=2e+9

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Solution for 4e+7=2e+9 equation: 



4e+7=2e+9

We move all terms to the left:

4e+7-(2e+9)=0

We get rid of parentheses

4e-2e-9+7=0

We add all the numbers together, and all the variables

2e-2=0

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

2e=2

e=2/2

e=1

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