Question

cine ma poate ajuta doar b
DAU COROANA

Answer 1

6x-11>8x-27 apoi 6x-8x>-27+11 apoi -2x>-16,răspunsul x<8

Answer 2

[tex]\it 6x-11\ \textgreater \ 8x-27 \Leftrightarrow 27-11 \ \textgreater \ 8x-6x \Leftrightarrow 16 \ \textgreater \ 2x|_{:2} \Leftrightarrow \\\;\\ \Leftrightarrow 8 \ \textgreater \ x \Leftrightarrow x\ \textless \ 8 \ \ \ (1)[/tex]

[tex]\it x\in \mathbb{N} \ \ \ \ (2) \\\;\\ (1), (2) \Longrightarrow x \in\{0,\ 1,\ 2,\ 3,\ 4,\ 5,\ 6,\ 7\} [/tex]