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n=5*2^n-1
We move all terms to the left:
n-(5*2^n-1)=0
We get rid of parentheses
n-5*2^n+1=0
Wy multiply elements
n-10n+1=0
We add all the numbers together, and all the variables
-9n+1=0
We move all terms containing n to the left, all other terms to the right
-9n=-1
n=-1/-9
n=1/9
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