hp dari 2x-2y=5 dan x+2y=5

Kelas 8 Matematika
Bab Persamaan Linear

2x - 2y = 5
x + 2y = 5
------------------ +
3x = 10
x = 10/3

x + 2y = 5
10/3 + 2y = 5
2y = 5 - 10/3
2y = 15/3 - 10/3
y = 5/3 : 2
y = 5/6

HP = { (10/3, 5/6) }