Ответ:

  1. Делим обе части на коэффициент при x: x = 36/(−9) = −4.
  2. x = −2,4/0,6 = −4.
  3. x = (−5,4)/(−1,8) = 3.
  4. x = (−5/14)/(1/7) = −5/2.
  5. x = (−1/7)/(−5/6) = 6/35.
  6. x = (17/18)/(−17/6) = −1/3.
  7. x = (−1)/(2/3) = −3/2.
  8. x = 6/(−5) = −6/5.
  9. x = 3/12 = 1/4.