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Answer to Question #194733 in Algebra for kmy
Question #194733
Solve the valid solutions of the following equations providing your values for some of them. Write your answers in solution set form. Identify the extraneous solution, if there is.
81^2x = 9^3x+4
Expert's answer
"81^{2x}=9^{3x+4}"
"9^{4x}=9^{3x+4}"
"4x=3x+4"
"x=4"
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