Question

Please!Rez ec. 2 supra 3 x -1 supra 5 =3supra 10 ​

Answer 1

Răspuns:

2/3 x = 3/10 + 2/10

2/3 x = 5/10

x = 5/10 : 2/3

x = 5/10 x 3/2

x = 15/ 20

x = 3/4

unde am pus / înseamnă supra