5w4nhjbt2y 5w4nhjbt2y
  • 03-11-2022
  • Mathematics
contestada

Add the equations.
+
4x-y=-3
5x+y = 21
OA. 9x-2y = -24
OB. -x = -24
O C. - x = 18
OD. 9x = 18

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