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128^8=2^n
We move all terms to the left:
128^8-(2^n)=0
We add all the numbers together, and all the variables
-2^n+72057594037927936=0
We move all terms containing n to the left, all other terms to the right
-2^n=-72057594037927936
n=-72057594037927936/1
n=-72057594037927936
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