kak no 7 please ^^ bantu saya. besok saya ada try out

Kelas 10 Matematika
Bab Persamaan Linear

1/(x - 1) = p
1/y = q

5p + 3q = 6
2p + 3q = 3
----------------- -
3p = 3
p = 3/3
p = 1

2p + 3q = 3
2 . 1 + 3q = 3
3q = 3 - 2
q = 1/3

1/y = 1/3
y = 3

1/(x - 1) = 1
x - 1 = 1
x = 1 + 1
x = 2

x - y
= 2 - 3
= -1

✩✩ A ✩✩