Răspunsuri

  • Utilizator Brainly
2014-05-03T13:23:28+03:00
Multesti pe diagonala  produsul mezilor cu prdusul extremilor
7(x+1)=3x4,2
7x+7=12,6
7x=12,6-7=5,6
x=7/5,6=>7/56/10=7x10/56=5/4
2014-05-03T13:26:26+03:00