520003128
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  • 10-02-2021
  • Arts
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the sum of 2 numbers is 20 and the difference is 4

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Аноним Аноним
  • 10-02-2021

Answer:

x+y=20. & x-y=4 or y=x-4. Replace y in the sum equation. x = 24/2 = 12.

Explanation:

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