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Najlepsze rozwiązanie

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  sonar 5.12.2010 (10:01)

  x/3+1=5/6+x/2
  
  x/3 - x/2 = 5/6 - 1 /*6
  
  6x/3 - 6x/2 = 5*6/6 - 6
  
  2x - 3x = 5 - 6
  
  -x = - 1 /* (-1)
  
  x= 1
  
  
  spr.
  x/3+1=5/6+x/2
  1/3 + 1 = 5/6 + 1/2
  2/6 + 1 = 5/6 + 3/6
  1 i 2/6 = 8/6
  1 i 2/6 = 1 i 2/6
  L=P
  
  
  
  
  x+2/9+x-1/3=1
  
  x+ x = 1 + 1/3 - 2/9
  
  2x = 1 + 3/9 - 2/9
  
  2x = 1 i 1/9
  
  x= 1 i 1/9 : 2
  
  x= 10/9 :2/1
  
  x= 10/9 * 1/2
  
  x= 5/9 * 1/1
  
  x= 5/9
  
  
  spr.
  x+2/9+x-1/3=1
  5/9 + 2/9 + 5/9 - 3/9 = 1
  9/9 = 1
  1=1
  L=P
  
  
  
  x/2=2/5 (4-x)-4 /* 2
  
  x = 4/5 (4 - x) - 8 /*5
  
  5x = 4(4-x) - 40
  
  5x = 16 - 4x - 40
  
  5x + 4x = 16 - 40
  
  9x = - 24
  
  x= - 24/9
  
  x= - 2 i 6/9
  
  x = -2 i 2/3
  
  spr.
  x/2=2/5 (4-x)-4
  - 2 i 2/3 /2 = 2/5 (4 - (-2 i 2/3)) - 4
  -8/3 :2 = 2/5 (4 + 2 i 2/3) -4
  - 8/3 *1/2 = 2/5 *6 i 2/3 -4
  -4/3 *1/1 = 2/5 *20/3 - 4
  - 4/3 = 2/1 * 4/3 - 4
  -4/3 = 8/3 - 4
  - 1 i 1/3 = 8/3 - 12/3
  - 1 i 1/3 = - 4/3
  - 1 i 1/3 = - 1 i 1/3
  L=P

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