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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