7e+3=3e-9

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Solution for 7e+3=3e-9 equation: 



7e+3=3e-9

We move all terms to the left:

7e+3-(3e-9)=0

We get rid of parentheses

7e-3e+9+3=0

We add all the numbers together, and all the variables

4e+12=0

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

4e=-12

e=-12/4

e=-3

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