1. 9–3x=5x+5 tenglamaning ildizini toping?
A) 0,5
B) 3
C) 3,5
D) 1,25
E) 2
2. Tenglamalar orasidan cheksiz ko‘p yechimga ega tenglamani toping
A) 15x+3(3x+7)=35
B) 0,7x=49–3x
C) 3(1–x)+2=5–3x
D) 5x–x–3=1+x–5
E) 8x–(7x+8)=9
3. (x+2)(x–3)=x2–7 tenglamani yeching va ildizini toping
A) 0
B) –2
C) –1
D) 2
E) 1
4. Tenglamani yeching: 3x–5=2(18–x)
A) 7,4
B) 8,4
C) 8,2
D) 7,6
E) 7,8
5. Quyidagi tenglamalar orasidan qaysi biri yechimga ega emas?
A) 9x+4–5x=8+7x–9–3x+5
B) 10–4x+3=9x–2–6x+9–7x+6
C) 2x+4=8x–3
D) 28–20x=2x+25–16–12–6x
E) 5x+3(3x+7)=35