Question

Determinati numărul natural x, stiind că n+1/12=5/3​

Answer 1

Răspuns:

$\frac{x + 1}{12} = \frac{5}{3 } \\ \\ 3(x + 1) = 12 \times 5 \\ 3(x + 1) = 60 \: | : 3 \\ x + 1 = 20 \\ x = 19$