Question
If 3x + 2y = 15 and y² – 6y + 9 = 0, then find (x,
y)Solution
y² - 6y + 9 = 0  (y-3)2 = 0 y = 3 Now, 3x + 2y = 15 3x + 2 ×3 = 15 3x = 9  x = 3  (x, y) is (3,3).
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