3:x-2=4:2x+1

3:x-2=4:2x+1 /*2x 3x-2=4+1 /+2 3x =7 /:3 x = 2⅓

3:x-2=4:2x+1 /x 2x 3x - 2 = 4 + 1 /+2 3x = 7 /:3 x = 7/3 x = 2 i 1/3