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Home / Aptitude Tests / Further Mathematics / Solve \(9^{2x + 1} =...
Solve 92x+1=813x+2...

Solve 92x+1=813x+2

A.

34

B.

23

C.

45

D.

32

Correct answer is A

92x+1=813x+2

92x+1=(92)3x+2

92x+1=96x+4

Equating powers, 

2x+1=6x+43=4x