rozwiazywanie rownan a) 5 : (2x+3) = 3 : (2 - x) - x b) 2 : (x+1) - 3: (x-1) = 1/4 c) 2: (4x + 7) - 6: (5x - 1) = x + 5 d) 4 : (x+5) - 8: (2x+1) = 1/22-x) e) 1/2x - 3/4[x - (4x+1)] = 1- 4x+1) f) 2/3*(3x-1) - 3/2 [2x+3(x-2)] =1

a) 5 : (2x+3) = 3 : (2 - x) - x 2/5x + 3/5 = 2/3 - 1/3x - x 2/5x + 1/3x + x = 2/3 - 3/5 1 11/15x = 1/15 /: 1 11/15 x= 16/55 b) 2 : (x+1) - 3: (x-1) = 1/4 2x + 2 - 1/3x + 1/3 = 1/4 2x - 1/3x = 1/4 - 2 - 1/3 1 2/3x = 1 5/12 /: 1 2/3 x = 2 15/24 c) 2: (4x + 7) - 6: (5x - 1) = x + 5 1/2x + 2/7 - 1 1/5x + 6 = x +5 1/2x - 1 1/5x - x = 5 - 2/7 - 6 1 3/10x = -2 5/7 /: 1 3/10 x = 3 15/35