a)1/2(x-3)=2 b)2/3(2x-4)=-3 c)2/5(-x+4)=1/5+x d)1/5(x-3)=9-x e)2/5(3-x)=-2 pilne I MOZECIE PISEC PRZY TYCH DZIALANIACH JAK BEDZIE TRZEBA TAKE COŚ NP:/+2,/-2

a)  1/2 ( x-3 ) = 2 1/2x - 3/2 = 2 1/2x = 2 + 3/2 1/2x= 2 3/2 1/2x= 3 1/2 /: 1/2 x= 7/2 * 2/1 x= 7 b) 2/3 ( 2x-4)= -3 4/3x - 8/3 = -3 4/3x = -3 + 8/3 4/3x = - 2 3/3 + 2 2/3 4/3x = -1/3  /: 4/3 x = - 1/3 * 3/4  x = -1/4 c) 2/5 (-x + 4 ) = 1/5 + x -2/5x + 8/5 = 1/5 + x -2/5 x - x = -8/5 + 1/5 -2 2/5 x = - 7/5 /: (-12/5) x= - 7/5 * 5/12 x= - 7/12 d) 1/5(x-3)= 9-x 1/5 x - 3/5 = 9-x 1/5 x + x = 9 + 3/5 2 1/5 x = 9 3/5 /: 2 1/5 x = 48/5 * 5/11 x= 48/11 x= 4 4/11 e) 2/5 (3-x)=-2 6/5 - 2/5x = -2 -2/5x= -2 - 6/5 -2/5x= - 3 1/5 /: (-2/5) x= -16/5 * -5/2 x= 8