Răspunsuri

Cel mai inteligent răspuns!
2014-11-16T19:41:04+02:00
3x=-15
x=-5

 x=-105-25
x=80

5x-20-81=-106
5x=106-81+20
5x=25+20
5x=45
x=9

8-8-2x=-18
2x=18-8+8
2x=18
x=9

40-3-3x=-14
3x=40-3-3+(-14)
3x=34+(-14)
3x=-48
x=16



Crazydalia33; eu nu inteleg care-s,adica ce numar
am lasat spatiu intre ele