5x - 2y = 9 dan x - 6y = 15 ,tolong dijawab yaa

Materi : SPLDV

Pembahasan :
5x - 2y = 9
x - 6y = 15 —» 5x - 30y = 75

Eliminasi...
5x - 30y = 75
5x - 2y = 9
———————— (-)
-28y = 66
y = -33/14

Substitusi...
x - 6y = 15
x = 15 + 6y
x = 15 + 6(-33/14)
x = 15 - 198/14
x = 6/7

Hp : {6/7 , -33/14}