Question

x + 3y = 5 2x -y = -4​

Answer 1

{x + 3y = 5

{2x -y = -4 ===> *(3) ↓

{ x + 3y = 5

{6x -3y = -12

--------------------- (+)

7x = -7

x = -1 ✓

{2x -y = -4

y=2x +4

y=2(-1) +4

y= -2 +4

y =2 ✓