WAEC - Mathematics (2006 - No. 19)
If 2x + y = 10, and y \(\neq\) 0, which of the following is not a possible value of x?
4
5
8
10
Explanation
The value for which the equation is impossible
2x = 10 (if y = 0)
x = 5
2x = 10 (if y = 0)
x = 5
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