Răspunsuri

2014-11-19T08:25:08+02:00
5x-4=2x+2
5x-2x=4+2
3x=6
x=2
Cel mai inteligent răspuns!
2014-11-19T08:28:17+02:00
5x-4=2x+2
5x-2x=2+4
3x=6
x=6:3
x=2

verificare
5*2-4=2*2+2
10-4=4+2
6=6