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3x-2y=-3 (kali 3)
10x+6y=28
9x-6y=-9
____________ +
19x = 19
x=1
3x-2y=-3
3.1 + 2y=-3
3 + 2y = -3
y = -3
hp = {2,-3}
maaf kalo salah > <
3x-2y=-3 ⇒x5⇒15x-10y=-15
19y=57
y=3
x=3
HP=(3,3)