Răspunsuri

2014-03-01T19:08:23+02:00
3x-(3x-4)-2x= 2x-(2x-4)-2x
3x-3x+4-2x=2x-2x+4-2x
4-2x=4-2x
0=0 (Adevarat)
  • Utilizator Brainly
2014-03-01T19:12:47+02:00