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5^n-7=1/125
We move all terms to the left:
5^n-7-(1/125)=0
We add all the numbers together, and all the variables
5^n-7-(+1/125)=0
We get rid of parentheses
5^n-7-1/125=0
We multiply all the terms by the denominator
5^n*125-1-7*125=0
We add all the numbers together, and all the variables
5^n*125-876=0
Wy multiply elements
625n-876=0
We move all terms containing n to the left, all other terms to the right
625n=876
n=876/625
n=1+251/625
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