tolong dijawab nomor 9

a) 2x - y = 6 |×2
3x + 2y = 2
maka
4x - 2y = 12
3x + 2y = 2
-----------------(+)
7x = 14
x = 2
subtitusi ke pers :
2x - y = 6
2(2) - y = 6
4 - y = 6
- y = 6 - 4
- y = 2
y = - 2
hp = ( 2 , - 2)
jadi jawabanya ( A )