2x+y 5x-6y subsitusi dan eliminasikan

Eliminasi
2x + y = 0 | x5
5x - 6y = 0 | x2
_________
10x + 6y = 0
10x - 12y = 0
__________-
18y = 0
y = 0/18 = 0

Subtitusi
2x + y = 0
2x + (0) = 0
2x = 0
x = 0/2 = 0