aguilaja aguilaja 10-03-2021 Mathematics contestada 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