-6e+9=21

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Solution for -6e+9=21 equation: 



-6e+9=21

We move all terms to the left:

-6e+9-(21)=0

We add all the numbers together, and all the variables

-6e-12=0

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

-6e=12

e=12/-6

e=-2

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