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3x -y = 14 -----> y = 3x -14
3x +2y = 5
3x +2(3x -14) = 5
3x +6x -28 = 5
9x = 5 +28
9x = 33
x = 33/9
y = 3x -14
y = 3(33/9) -14
y = 99/9 -14
y = 11 -14
y = -3
Jadi, himpunan penyelesaiannya adalah {(33/9,-3)}.
Itu jawabannya.