1. Tenglamalar sistemasini qanoatlantiruvchi sonlar juftligini aniqlang:
A) x = 4, y = 3
B) x = 3, y = 2
C) x = 2, y = 1
D) x = 10, y = 8
E) x = 5, y = 4

2. Tenglamalar sistemasini qanoatlantiruvchi sonlar juftligini aniqlang:
A) x = 6, y = 4
B) x = 3, y = –2
C) x = –3, y = 6
D) x = –3, y = 2
E) x = 4, y = –4

3. Tenglamalar sistemasi berilgan: x=5 va y=2 sonlari jufti uning yechimi ekanligi ma’lum. a va b ning qiymatlarini toping.
A) a = 5, b = 2
B) a = –18, b = 1
C) a = –1, b = 18
D) a = 1, b = –18
E) a = 18, b = –1

4. Tenglamalar sistemasi berilgan: x=1 va y=–2 sonlari jufti uning yechimi ekanligi ma’lum. k va m ning qiymatlarini toping.
A) k = –5, m = –9
B) k = 5, m = 9
C) k = –5, m = 9
D) k = 5, m = –9
E) k = 9, m = –5

5. Tenglamani yeching:
A) x = 4
B) x = 3
C) x = 2
D) x = 1
E) x = 0