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Question
Find the value of x and y if (x + 3, 2y – 3) = (9, –9).
Sum
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Solution
Given: (x + 3, 2y – 3) = (9, –9)
Step-wise calculation:
1. Equate first components:
x + 3 = 9
⇒ x = 9 – 3
= 6
2. Equate second components:
2y – 3 = –9
⇒ 2y = –9 + 3
= –6
⇒ `y = (-6)/2`
= –3
⇒ x = 6, y = –3.
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