Răspunsuri

2014-11-17T19:24:24+02:00
17-2x=7 
2x=17-7
2x=10 | :2
x=5
eu stiu ca intai se scri 7 si dupa nr ce urmeaza
17-2x=7
2x=17-7
2x=10
x=10:2
x=2
10 : 2 = 5
da mam grabit. mii de scuze 10:2=5
2014-11-17T19:28:55+02:00
17-2x=7. ,2x=7+17 ,2x=24 x=24:2 x=12