rozwiąż równania a) x/2 = 5/6 b) x/2 = x+1/4 c) 2(x-1)/3 = x+2/5 d)1 - 2x+5/3 = 4 e) x/2 - x/3 +1 = 1/6(x+6) f) x-1/4 - x+1/2 =-x/4