Question

X + 3Y = 11
2x + Y = 7

Answer 1

x + 3y = 11 (I)2x + y = 7 (II)

(I) * -2 = -2x-6y=-22
(I)+(II) = -5y=-15
y=-15/-5
y=3

3+3y=11
3y=8
y=8/3