(-7)^7/(-7)^-n=(-7)^21

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Solution for (-7)^7/(-7)^-n=(-7)^21 equation: 



(-7)^7/(-7)^-n=(-7)^21

We move all terms to the left:

(-7)^7/(-7)^-n-((-7)^21)=0

We add all the numbers together, and all the variables

-1n+558545864083284008=0

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

-n=-558545864083284008

n=-558545864083284008/-1

n=+5.5854586408328E+17

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