2x + 3y = -6 x - 4y = -3 dengan menggunakan cara substitusi diatas!

x - 4y = -3
x = -3 + 4y ... (i)

Subtitusi pers. i ke 2x + 3y = -6
2(-3 + 4y) + 3y = -6
-6 + 8y + 3y = -6
11y = 0
y = 0 ... (ii)

Subtitusi pers. ii ke x - 4y = -3
x - 4(0) = -3
x = -3

HP :{-3 , 0}