Răspuns :
x = numarul cautat !!!
4*x + x/4 = 663 | * 4
16x + x = 2652
x = 2653 : 17 = 156.
4*x + x/4 = 663 | * 4
16x + x = 2652
x = 2653 : 17 = 156.
[tex]4 \times y + y \div 4 = 663 \times 4 \\ 16y + y = 2652 \\ 17y = 2652 \\ y = 2652 \div 17 = > y = 156[/tex]