Question

3<2n+1<_33 calculati . Va rog ajutatima

Answer 1

$3\ \textless \ 2n+1 \leq 33 \ \ \ |(-1) \\\\ 2\ \textless \ 2n \leq 32 \ \ \ |:2 \\\\ 1\ \textless \ n \leq 16 \\\\ \underline{n \in (1;16]} \\\\\\ \boxed{n \in \{2;3;4;....16 \}}$