guccigoat10 guccigoat10
  • 23-03-2019
  • Mathematics
contestada

the sum of two numbers is 21 and their difference is 5

Respuesta :

ggg138 ggg138
  • 23-03-2019

X+Y = 21 ---> Y = 21-x

X-y = 5

x - (21-x) = 5

2x - 21 = 5

2x = 26

x = 13

13 and 8

Answer Link
Qhusk
Qhusk Qhusk
  • 23-03-2019

The two numbers are 13 and 8.

13 + 8 = 21

The difference (13 - 8) is 5.

Answer Link

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