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2x-3y= 3 ... (1)
3x-2y-6 = 1
3x-2y = 7 ....(2)
1 & 2
2x-3y= 3 | x3
3x-2y = 7 | x2
d grs bwh
6x-9y = 9
6x-4y = 14
grs bwh d krngi (-)
-5y = -5
y = 1
cri x tinggal dimasukan kesalah satu variabelnya