tentukan himpunan penyelesaian dari 5x+Y= 13 dan X + 5Y = 17

5x+y = 13 x 1
x+5y = 17 x 5
5x+y = 13
5x+25y = 85
y- 25y = 13-85
-24y = -72
y = 3

5x+y = 13
5x+3 = 13
5x = 13 - 3
5x = 10
x = 10/5
x = 2

Jadi, nilai x = 2 sedangkan y = 3