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  • 19-01-2021
  • Mathematics
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Evaluate: x(y – 5) for x = 2 and y = 7

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IWANTTODIE22
IWANTTODIE22 IWANTTODIE22
  • 19-01-2021

Answer:

Replace all occurrences of x x in x−y=5 x - y = 5 with 7−y 7 - y . x=7−y x = 7 - y. (7−y)−y=5 ( 7 - y ) - y = 5. Subtract y y from −y - y . x=7−y x = 7 - y. 7−2y=5 7

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