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2^r=-1/16
We move all terms to the left:
2^r-(-1/16)=0
We get rid of parentheses
2^r+1/16=0
We multiply all the terms by the denominator
2^r*16+1=0
Wy multiply elements
32r+1=0
We move all terms containing r to the left, all other terms to the right
32r=-1
r=-1/32
r=-1/32
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