Free GRE Practice Question

Question 1 of 1
ID: GRE-MCQ-005
Section: GRE Quantitative Reasoning - Multiple Choice with one answer
Topic: Algebra
Difficulty level: Hard

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If \(x\) is a non-negative integer such that \(20^{\,x-3}+21^{\,x-3}=29^{\,x-3}\), what is the value of \(x\) ?

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