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If 2[(3, 4), (5, x)] + [(1, y), (0, 1)] = [(7, 0), (10, 5)], find (x - y).

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If 2[(3, 4), (5, x)] + [(1, y), (0, 1)] = [(7, 0), (10, 5)], find (x - y).

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Given that

Equating we get 8 + y = 0 and 2x + 1 = 5 

⇒ y = –8 and x = 2 

⇒ x – y = 2 + 8 = 10

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