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4^(-3x)=1/10
We move all terms to the left:
4^(-3x)-(1/10)=0
We add all the numbers together, and all the variables
4^(-3x)-(+1/10)=0
We get rid of parentheses
4^(-3x)-1/10=0
We multiply all the terms by the denominator
(4^(-3x))*10-1=0
We move all terms containing x to the left, all other terms to the right
(4^(-3x))*10=1
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