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(7^(7))/(7^(3))=7^(x)
We move all terms to the left:
(7^(7))/(7^(3))-(7^(x))=0
determiningTheFunctionDomain -7^x+7^7/7^3=0
We add all the numbers together, and all the variables
-7^x+1=0
We move all terms containing x to the left, all other terms to the right
-7^x=-1
x=-1/1
x=-1
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