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x/2 +y/3 = 2 ---> kalikan 6 --> 3x +2y = 12 .(2)..kalikan 1
.
eliminasikan
4x + 2y = 8
3x +2y = 12
kurangkan
x = - 4 ---> 4x+2y =8
4(-4) + 2y = 8 --> 2y = 8+16
y = 12
(x,y)= ( -4, 12)