dog456 dog456
  • 13-03-2017
  • Mathematics
contestada

. Solve the system. y=2x-1 3x-y=-1 no solution infinite solutions (2, 5) (−2, −5)

Respuesta :

wolf1728
wolf1728 wolf1728
  • 13-03-2017
A) -2x +y=-1
B) 3x-y=-1

Add the 2 equations
x = -2
B) 3*-2 -y=-1
B) -6 + 1 = y
y = -5

(−2, −5)


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