If X ∗ Y = X + Y - XY, find x when (x ∗
MATHEMATICS
JAMB 1997
If X ∗ Y = X + Y - XY, find x when (x ∗ 2) + (x ∗ 3) = 68
- A. 24
- B. 22
- C. -12
- D. -21
Correct Answer: D. -21
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