Simplification · Question 23 · Medium
If 2^(x + 3) = 32^(x − 1), what is the value of x?
- 2
- 1
- 3
- 4
Answer and explanation
Answer: A. 2
Explanation: 32 = 2^5, so 2^(x + 3) = 2^(5x − 5). Equating powers: x + 3 = 5x − 5, so 4x = 8 and x = 2.
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