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0.25=0.5^t/8
We move all terms to the left:
0.25-(0.5^t/8)=0
We get rid of parentheses
-0.5^t/8+0.25=0
We multiply all the terms by the denominator
-0.5^t+(0.25)*8=0
We add all the numbers together, and all the variables
-0.5^t+2=0
We move all terms containing t to the left, all other terms to the right
-0.5^t=-2
t=-2/1
t=-2
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