Rozwiaz równania a)½x-¾[x-(4x+1)]=1-x+1/4 b)⅔(3x-1)-⅔[2x+3(x-2)]=1

A) 1/2x-3/4[x-(4x+1)]=1-x+1/4 1/2x-3/4[x-4x-1]=1-x+1/4 1/2x-3/4[-3x-1]=1-x=1/4 1/2x+9/4x+3/4=1-x+1/4 1/2x+9/4x+x=1+1/4-3/4 2/4x+9/4x+x=1-2/4 1/4x+x=1/1-2/4 11/4x+x=4/4-2/4 11/4x+x=2/4 2 3/4x+x=2/4 3 3/4x=2/4/: 3 3/4 x=2/15 B) 2/3 (3x-1)-2/3[2x+3(x-2)]=1 6/3x-2/3-2/3(2x+3x-6)=1 6/3x-2/3-4/3x-6/3x+12/3=1 6/3x-4/3x-6/3x=1+2/3-12/3 -4/3x=1+2/3-12/3 -4/3x=3/3+2/3-12/3 -4/3x=5/3-12/3 -4/3x=-7/3 /: (-4/3) x=7/4 x=1 3/4