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0.3^x=0.2
We move all terms to the left:
0.3^x-(0.2)=0
We add all the numbers together, and all the variables
0.3^x-0.2=0
We move all terms containing x to the left, all other terms to the right
0.3^x=0.2
x=0.2/1
x=0.2
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