Penyelesaian sistem persamaan 2x – 3y = 1 dan 2x – 2y = 2 adalah

2x – 3y = 1
2x – 2y = 2
————– –
 -y = -1
  y = 1

2x – 2y = 2
2x -2(1) = 2
2x – 2 = 2
2x = 2+2
2x = 4
x = 4/2
x = 2