a) -2 (2x - 1) = x/3 b) 2/5 (3 -x) = -2 c) 3/4 (2 - 3x) = -6 d)1/5 (x - 3) = 9 - x e) 0.6 + x /2 = x +1

a) -2(2x-1)=x/3 -4x +2 = x/3 b)2/5(3-x)=-2 0,4(3-x)=-2 1,2-0,4x=-2 -0,4x = -2-1,2 -0,4x = -3,2 /(-0,4) x = 8 c) 3/4 (2-3x)= -6 0,75(2-3x) =-6 1,5 -2,25x = -6 -2,25x = -6 - 1/5 -2,25x = -4,5/(-2,25) x = 2 d) 1/5 (x-3)=9-x 0,2x- 0,6= 9-x 0,2x +x = 9+0,6 1,2x = 9,6/1,2 x = 8 e)

a) -2 (2x - 1) = x/3 -4x+4=x/3 -4x-x/3=-4 -12x-x=-12 -13x=-12 x=12/13 b) 2/5 (3 -x) = -2 6/5-2/5x=-2 -2/5x=-2-6/5 -2/5x=-26/5 x=8 c) 3/4 (2 - 3x) = -6 6/4-9/4x=-6 -9/4x=-6-6/4 -9/4x=-66/4 x=-30/4*(-4/9) x=3 1/3 d)1/5 (x - 3) = 9 - x 1,5x-4,5=9-x 1,5x+x=8+4,5 2,5x=13,5 x=5,4 e) 0.6 + x /2 = x +1 x/2-x=1-0,6 x-2x=2-1,2 -x=0,8 x=-0,8