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(5x-y=3)x2......10x-2y=6
4x-2y=-3
__________ -
6x = 9
x = 9/6 =3/2
nilai x=3/2 atau 1,5 dimasukkan salah satu persamaan
5(3/2) - y = 3
y= 9/2 atau 4,5