matokiwasssup
matokiwasssup matokiwasssup
  • 19-02-2018
  • Mathematics
contestada

Which of the following is a solution to the system of equations below?
2x+y=3
{
x−y=6

options: (3,-6) (2, -4) (3,-3) (-3,3)

Respuesta :

Banabanana
Banabanana Banabanana
  • 19-02-2018
  {2x+y=3
+
  {x−y=6
  _______
3x = 9
x = 3

x−y=6
3 - y = 6
-y = 6 - 3
-y = 3
y = -3

(3, -3)
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