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0.2^x=0.18
We move all terms to the left:
0.2^x-(0.18)=0
We add all the numbers together, and all the variables
0.2^x-0.18=0
We move all terms containing x to the left, all other terms to the right
0.2^x=0.18
x=0.18/1
x=0.18
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