Question

x/y = 0, (2) si 10x - 2y = 48
Calculati x si y, repede pls​

Answer 1

Răspuns:

x/y = 0, (2) =>x/y=2/9=>x=2y/9

10x - 2y = 48

10·2y/9-2y=48

20y/9-⁹⁾2y=⁹⁾48

20y-18y=432

2y=432=>y=432:2=>y=216

x=2·216:9=>x=48