Question 9
IndicesIf 92x − 1/27x+1 = 1, find the value of x.
- A.8
- B.5
- C.3
- D.2
Show the answer and explanation
Answer: B (5)
Explanation
92x − 1 = 27x + 1 means 34x − 2 = 33x + 3, so 4x − 2 = 3x + 3 and x = 5.
If 92x − 1/27x+1 = 1, find the value of x.
Answer: B (5)
92x − 1 = 27x + 1 means 34x − 2 = 33x + 3, so 4x − 2 = 3x + 3 and x = 5.