a) 3/x-2 = 4/2x+1 b) 3/2 = 3x+2/2x-2 c) 6x-1/x+1 = 2,3/1,2 d) -x/3x-1 = 2x/1-6x

a) 3/x-2 = 4/2x+1 3*(2x-1)=4*(x-2) 6x-3=4x-8 6x-4x=-8+3 2x=-5 x=-5/2 b) 3/2 = 3x+2/2x-2 3*(2x-2)=2*(3x+2) 6x-6=6x+4 -6=4 sprzeczne c) 6x-1/x+1 = 2,3/1,2 1,2*(6x-1)=2,3(x+1) 7,2x-1,2=2,3x+2,3 7,2x-2,3x=2,3+1,2 4,9x=4 x=4:49/10 x=40/49 d) -x/3x-1 = 2x/1-6x -x*(1-6x)=2x(3x-1) -x+6x²=6x²-2x -x+2x=0 x=0

a) 3/x-2 = 4/2x+1 3(2x+1)=4(x-2) 6x+3=4x-8 2x=-11 x=-11/2 x= 5,5 b) 3/2 = 3x+2/2x-2 2(2x-2)=3(3x+2) 4x-4=9x+6 -4-6=-4x+9x -10=5x x=-2 c) 6x-1/x+1 = 2,3/1,2 1,2(6x-1)=2,3(x+1) 7,2x-1,2=2,3+1,2 4,9x=3,5|/4,9 x=3,54,9 x=0,5,7 d) -x/3x-1 = 2x/1-6x -x(1-6x)=2x(x+1) -x+6x²=2x²+2x /podzielić na x -1+6x=2x+2 -1-2=2x-6x -3=-4x x=3/4