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Tenglama va uning yechimlari


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7-AGEBRA MAVZULASHTIRILGAN TESTLAR

6. Tenglama va uning yechimlari
1. Tenglamani yeching:

2x-7=x+3


A) x=4 B) x=3 C) x=10 D) x=-10
2. Tenglamani yeching: -3(x-1)=5-2x

A) x=2 B)x=-2 C) x=-1 D) x=8


3. x=-3 qaysi tenglamaning ildizi bo’ladi.

A) 4x-5=2+x B) 7-x=5x+1 C) 2(x+1)=2x-3 D) 3x+4=x-2


4. x=2 qaysi tenglamaning ildizi bo’ladi.

A) 6x=10-4x B) 3(-x+4)=4x-2 C) (5-x) ·2=10 D) (x+)·3=12+x
5. p ning qanday qiymatida 3x-5=p-x tenglamaning ildizi 4 ga teng bo’ladi. A) 11 B) 5 C) -11 D) -1

6. . q ning qanday qiymatida 2·(x+3)=5x-q tenglamaning ildizi -3 ga teng bo’ladi. A)8 B) -14 C) -18 D) 10
7. Ildizi 5 ga teng bo’lgan tenglamani ko’rsating.

A) 2x+12=3(x-8) B) 12(x-3) =4x+4 C) +1=6-2x D) 8x-3=2(x+1)

8.Tenglamani yeching.

6x+3=x-7

A) x=2 B) x=-2 C)x= 1,5 D) x=-1,5


9. Tenglamani yeching:

13x-7=7-x

A) x=-1 B) x=1 C) x=7 D) x=14
10. Tenglamani yeching

10x-9-4x+5=9x-8-7x

A) x=-1 B) x=1 C) x=-0,5 D) x=0,5


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