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  sonar 22.11.2014 (14:13)

  4(x-3)+2(x+2)=3(x-2)+2(x+2)
  
  4x - 12 + 2x + 4 = 3x - 6 + 2x + 4
  
  4x + 2x - 12 + 4= 3x + 2x - 6 + 4
  
  6x - 8 = 5x - 2
  
  6x - 5x = - 2 + 8
  
  x= 6
  
  
  
  spr.
  
  4(x-3)+2(x+2)=3(x-2)+2(x+2)
  
  L= 4(x-3)+2(x+2)= 4(6-3)+2(6+2) = 4 * 3 + 2* 8= 12 + 16= 28
  
  P = 3(x-2)+2(x+2)= 3(6 -2) + 2(6+ 2) = 3*4 + 2*8= 12 + 16 = 28
  
  28=28
  
  L=P
  
  
  
  
  
  
  
  1/2(x+2)=x
  
  1/2x + 2*1/2 = x
  
  1/2x + 1 = x
  
  1/2x - x = - 1
  
  -1/2x = - 1
  
  x = - 1 : (-1/2)
  
  x = - 1 * (-2)
  
  x = 2
  
  
  
  
  
  spr.
  
  1/2(x + 2) = x
  
  L= 1/2(x + 2) = 1/2(2 + 2)= 1/2* 4= 1/1 * 2= 2/1= 2
  
  P = x= 2
  
  2=2
  
  L=P

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