X+y=10 dan x-y=2 Tentukan himpunan penyelesaian

x+y = 10 ➡ x = -y+10

kita subtitusikan
x -y = 2
-y+10-y = 2
-2y = 2-10
-2y = -8
y = -8/-2
y = 4

x + y = 10
x + 4 = 10
x = 10-4
x = 6

jadi hp = {6,4}

semoga membantu