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x - 3y = -7
__________ +
3x = -3
x = -1
2x + 3y = 4
2(-1) + 3y = 4
3y = 4+2
3y = 6
y = 2
2X + 3Y= 4 |DIKALI 1|
MENCARI NILAI Y :
2X - 6Y= -14
2X + 3Y= 4_ _
-9Y= -18
Y= -18/-9
Y= 2
MENCARI NILAI X :
X - 3Y= -7
X - 3(2)= -7
X - 6= -7
X= -7 + 6
X= -1
jADI, HP= {-1,2}