jennifergrxvv jennifergrxvv
  • 19-06-2018
  • Mathematics
contestada

x-y=11
2x+y=19
Can someone explain the process to get the answer. please.

Respuesta :

Veronica099
Veronica099 Veronica099
  • 19-06-2018
It’s just simultaneous equations and substituting
Ver imagen Veronica099
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