\(2^x+2^{x+3}=6^2\cdot 2^{18}.\) What is the value of \(x?\)

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by Vincen » Wed Sep 30, 2020 6:08 am

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\(2^x+2^{x+3}=6^2\cdot 2^{18}.\) What is the value of \(x?\)

A. 18
B. 20
C. 21
D. 22
E. 24

Answer: B

Source: Veritas Prep

Source: Beat The GMAT — Problem Solving | Wed Sep 30, 2020 6:08 am

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