5 x + 3y = 15 3y - x = 3 hp=?

3y - x = 3
x = 3y - 3

5x + 3y = 15
5(3y - 3) + 3y = 15
15y - 15 + 3y = 15
18y = 15 + 15
18y = 30
y = 30/18
y = 5/3

3y - x = 3
3(5/3) - x = 3
5 - x = 3
x = 5 - 3
x = 2

Jadi HPnya adalah {2 , 5/3}