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Question
If (x – 1, y + 4) = (1, 2) find the values of x and y.
Solution
(x – 1, y + 4) = (1, 2)
By the definition of equality of ordered pairs,
we have
x – 1 = 1 and y + 4 = 2
∴ x = 2 and y = – 2
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