answermyquestion777 answermyquestion777
  • 07-06-2017
  • Mathematics
contestada

Which ordered pair is a solution to the system of equations? A (1,3) B (7, -5) C (8,2) D (-2, -3)

Which ordered pair is a solution to the system of equations A 13 B 7 5 C 82 D 2 3 class=

Respuesta :

Аноним Аноним
  • 07-06-2017
2x - y = -1
2x - 4y = 8
-------------------subtract
3y = -9
y = 3

2x - y = -1
2x - 3 =-1
2x = 2
x = 1

solution (1,3)
so answer A

You got it right
Answer Link

Otras preguntas

add and simplify  9/16=1/2=?
log3(2x-5)=2 Answer is 41/2.  Why?
vesicles that contain a cells digestive enzymes are called ?
who was the first president of the united states of america
(−2x0y3 )(4x2y4 )+(2y5 )(3xy)2
who was the first president of the united states of america
Alex built a snowman using three snowballs,one small, one medium and one large, with diameters in the ratio 2:3:5.      Although highly unlikely due to the phys
who was the first president of the united states of america
who was the first president of the united states of america
vesicles that contain a cells digestive enzymes are called ?