Answer: x = –2 gives y = 3; y = 1 gives x = 2; points (–2, 3) and (2, 1).
x + 2y = 4.
When x = –2: –2 + 2y = 4, so 2y = 6, y = 3 → (–2, 3).
When y = 1: x + 2 = 4, so x = 2 → (2, 1).
Plot (–2, 3) and (2, 1) and join them to get the line x + 2y = 4.
Best answer
Answer: x = –2 gives y = 3; y = 1 gives x = 2; points (–2, 3) and (2, 1).
x + 2y = 4.
When x = –2: –2 + 2y = 4, so 2y = 6, y = 3 → (–2, 3).
When y = 1: x + 2 = 4, so x = 2 → (2, 1).
Plot (–2, 3) and (2, 1) and join them to get the line x + 2y = 4.
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