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0.3^t=0.23
We move all terms to the left:
0.3^t-(0.23)=0
We add all the numbers together, and all the variables
0.3^t-0.23=0
We move all terms containing t to the left, all other terms to the right
0.3^t=0.23
t=0.23/1
t=0.23
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