SOLUTION: Solve for x: {{{7^(x+2)-7^x=48*sqrt( 7 )}}}

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Question 565424: Solve for x:

Answer by htmentor(1343)   (Show Source): You can put this solution on YOUR website!
Solve for x:

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We can factor the expression as follows:



From here, we can read off the answer x = 1/2, or solve using logarithms:

Dividing through be log(7) gives x = 1/2

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