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Question
Which of the following is a solution of the equation 2x – y = 6?
Options
(2, 4)
(4, 2)
(3, −1)
(0, 6)
Solution
(4, 2)
Explanation;
Hint:
2x – y = 6
Substitute x – 4 and y = 2 we get
2(4) – 2 = 6
⇒ 8 – 2 = 6
⇒ 6 = 6
∴ (4, 2) is the solution
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