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Solve the following equations algebraically. Be sure to check for extraneous solutions. A). (9^2x)(1/3)^(x+2) = 27(3^x)^-2...

Solve the following equations algebraically. Be sure to check for extraneous solutions.

A). (9^2x)(1/3)^(x+2) = 27(3^x)^-2

B). 3^x+4 = 2^1-3x

C). log base 3(x-2) + log base 3 (x-4) =2

Math   Precalculus   
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