Tuliskan Himpunan Penyelesaian dari sistem Persamaan 2x + 3y=7 Dan x-4y=-2.

Eliminasi x:
2x + 3y = 7 || × 1
x - 4y = -2 || × 2
⬇
2x + 3y = 7
2x - 8y = -4
_________—
11y = 11
[ y = 1 ] ⬅ substitusi ke x - 4y = -2

x - 4y = -2
x - 4(1) = -2
x - 4 = -2
x = -2 + 4
[ x = 2 ]

Hp = {2, 1} ✔