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6x-3y = -12 }
2x-y= -4
2x-y= -4
y=1
misal;
2x= -4+1
2x= -3
x= -3/2
6x= -12+3
6x=-9
x= -9/6
x= -3/2
x=1
misal ;
-y= -4-2
-y= -6
y=6
-3y= -12-6
-3y= -18
y=6
x={-3/2,1}
y={6,1}
cek lagi,,
semoga dpt mmbantu.