Question

daca unui numar natural i se adauga in dreapta zero si noul numar se aduna cu numarul initial, se obtine suma 3454.
determina acest numar natural.

Answer 1

x0+x=3454
10x+0+x=3454
11x=3454
x=314

Answer 2

$10*x+x=3454 \\ 11*x=3454 \\ x=3454:11=314$