-2x+3y=-6 x+2y=10 Metode substitusi

x+2y=10
x=10-2y
-2x+3y=-6
-2 (10-2y)=-6
-20+4y=-6
4y=-6+20
4y=14
y=14/4
y=3,5

x=10-2y
x=10-2 (3,5)
x=10-7
x=3

maaf jika salah :)