Sebastianbed827 Sebastianbed827
  • 03-09-2020
  • Mathematics
contestada

If r + t = 10 and -r + t = 4, What is the value of 5r + 8t?

Respuesta :

ifeoluwa16
ifeoluwa16 ifeoluwa16
  • 04-09-2020

Answer:

71

Step-by-step explanation:

Start solving using simultaneous equation,From there, we have r to be 3 and t to be 7

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