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3^(x+4)=1/243
We move all terms to the left:
3^(x+4)-(1/243)=0
We add all the numbers together, and all the variables
3^(x+4)-(+1/243)=0
We get rid of parentheses
3^(x+4)-1/243=0
We multiply all the terms by the denominator
(3^(x+4))*243-1=0
We move all terms containing x to the left, all other terms to the right
(3^(x+4))*243=1
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