mikecoaxun27 mikecoaxun27
  • 02-10-2021
  • Mathematics
contestada

9x + Зу = -3
2х - у = -4

Respuesta :

polob77 polob77
  • 02-10-2021
Answer: (-1, 2)

explanation:

3(2x-y=-4)
6x-3y=-12

9x+3y=-3
6x-3y=-12

15x=-15
x=-1

2(-1) - y = -4
-2-y=-4
-y=-2
y=2
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