If 55\(_x\) + 52\(_x\) = 77\(_{10}\) find X
MATHEMATICS
JAMB 2009
If 55\(_x\) + 52\(_x\) = 77\(_{10}\) find X
- A. 5
- B. 6
- C. 7
- D. 10
Correct Answer: C. 7
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