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Matematika · 7-sinf · O‘rta · 10 savol · 15 daqiqa

Chiziqli tenglamalar

testkon
Ism, familiya:
Sinf:
Sana:
  1. 1.
    Tenglamani yeching: 2x − 7 = 11
    A) x = 2B) x = −9C) x = 9D) x = 18
  2. 2.
    Tenglamani yeching. Javobga faqat sonni yozing: 3x + 5 = 20Javob: ______________________
  3. 3.
    Tenglamani yeching: 5x = 3x + 14
    A) x = 2B) x = 7C) x = 14D) x = 3,5
  4. 4.
    Tenglamani yeching. Javobga faqat sonni yozing: x / 4 = 6Javob: ______________________
  5. 5.
    Tenglamani yeching: 4(x − 2) = 12
    A) x = 3B) x = 3,5C) x = 5D) x = 14
  6. 6.
    Tenglamani yeching. Javobga faqat sonni yozing: 7 − x = 2Javob: ______________________
  7. 7.
    Tenglamani yeching: 2x + 3 = x − 4
    A) x = −7B) x = 7C) x = −1D) x = 1
  8. 8.
    Bir sonni 3 ga ko‘paytirib, 4 qo‘shsak, 19 hosil bo‘ladi. Shu sonni toping: Javob: ______________________
  9. 9.
    Tenglamani yeching: 0,5x + 1 = 4
    A) x = 1,5B) x = 6C) x = 10D) x = 2,5
  10. 10.
    Tenglamani yeching: (x + 1)/3 = (x − 1)/2
    A) x = 1B) x = −5C) x = 5D) x = 3