himpunan penyelesaian dari-x-y=3danx-y=5

-x - y = 3
x - y = 5
________ -
-2x = -2
x = 1

x - y = 5
1 - y = 5
-y = 4
y = -4

Hp = {1,-4}

Kelas 8 Matematika
Bab Persamaan Garis

-x - y = 3
x - y = 5
---------------- +
-2y = 8
y = 8/-2
y = -4

x - y = 5
x = 5 + y
x = 5 - 4
x = 1

HP = { (1, -4) }