Odpowiedzi

2010-02-10T17:25:10+01:00
5x+2=7-3x
8x=6 /:8
x=0,75
2 1 2
2010-02-10T17:25:26+01:00
5x+2=7-3x
5x+3x=7-2
8x=5
x=5/8
1 5 1
2010-02-10T17:29:19+01:00
5x+2=7-3x
5x+3x=7-2
8x=5/:8
x=⅝