Question

fie x natural rezolvati inecuatiile 6*x<30

Answer 1

\$\it 6x<30 \Rightarrow x< 30:6 \Rightarrow x<5\ \ \ \ \ (1) \\\ \\ Dar,\ x \in \mathbb{N}\ \ \ \ (2)$

$\it (1),\ (2) \Rightarrow x \in\{0, 1, 2, 3, 4\}$