URGENT!!! For quiz now!
Solve the pair of simultaneous equations using matrix methods.
1) x + y =2 , x + y =3
2) 3x + 2y = 14 , x + 4y =12
3) -3x + 2y = -16 , -x - 5y = -10
4) y = 2x - 5 , 7x - 2y =16

Respuesta :

Answer:3?

Step-by-step explanation: