Correct Answer: Option C
5x – 2y +7 = 0
বা, 5x - 2y = -7......... (ii)
[(i) × 5 - (ii) × 2] ⇒ 15у + 4y = 5 + 14
বা, 19y = 19
বা, y = 1
(ii) হতে, 5x - 2 × 1 = -7
বা, 5x = -7 + 2
বা, 5x = -5
বা, x = -1
∴ (x, y) = (-1, 1)
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