1.Rozwiąż równania a)2x+3/5 = 2-x/3 - x b)x+1/2 - x-1/3 =1/4 c)4x+7/2 - 5x-1/6 = x+5 d)x+5/4 - 2x+1/8 =1/2 (2-x) 2.Rozwiąż Równania a)½x-¾ [x-(4x+1)]=1 - x+1/4 b)⅔ (3x-1)-3/2[2x+3(x-2)]=1

1. a) 2x+3/5=2-x/3-x /*15 30x+9=30-5x-x 30x+5x+x=30-9 36x=21 x=7/12 b) x+1/2-x-1/3=1/4 /*12 12x+6-12x-4=3 -12x=3-12-6+4 -12x=-11 x=11/12 c) 4x+7/2-5x-1/6=x+5 /*6 24x+21-30x-6x=30-21+1 -12x=10 x=-10/12 x=-5/6 d) x+5/4-2x+1/8=1/2(2-x) /*4 4x+5-8x+1/2=2(2-x) 4x+5-8x+1/2=4-2x 4x-8x+2x=4-5-1/2 -2x=-3/2 x=3/4 2. a) 1/2x-3/4[x-(4x+1)]=1-x+1/4 /*4 2x-3[x-4x-1]=4-4x+1 2x-3x+12x+3=5-4x 11x+4x=5-3 15x=2 x=7,5 b) 2/3(3x-1)-3/2[2x+3(x-2)]=1 /*6 4(3x-1)-9[2x+3x-6]=6 12x-4-18x-27x+54=6 -33x=6+4-54 -33x=-44 x=44/33