SOLUTION: what is the unknown of 3^x-7=243
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Question 434780: what is the unknown of 3^x-7=243
Answer by lwsshak3(11628) (Show Source): You can put this solution on YOUR website!
what is the unknown of 3^x-7=243
..
3^x-7=243=3^4
x-7=4
x=11
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