Odpowiedzi

2010-02-10T17:41:28+01:00
2x+5-3x+12/3 =
-1x+17/3 =
-1/3x + 17/3
2010-02-10T17:42:22+01:00
2x+5-(3x-12)/3
2x+5-3x+12/3
-x+17/3 /*3
-3x+51
-3x=-51 /:(-3)
x=17
2010-02-10T17:43:30+01:00
2x+5-(3x-12)/3= 2x+5-3x+12/3=2x+5-3x+4=-x+9