To find: - x , y

Given set of lines are : -

2x - 3y + 1 = 0;

x + 4y + 3 = 0

Converting the following equations in matrix form,

AX = B

2R₂ – R₁

Again converting into equation form we get

2x - 3y = - 1

11 y = - 5

Y =

2x - 3 = - 1

2x = - 1 -

X =

∴