Odpowiedzi

2010-03-29T16:42:43+02:00
3:x-2=4:2x+1 /*2x
3x-2=4+1 /+2
3x =7 /:3
x = 2⅓
2010-03-29T16:50:26+02:00
3:x-2=4:2x+1 /x 2x
3x - 2 = 4 + 1 /+2
3x = 7 /:3
x = 7/3
x = 2 i 1/3