решите двойное неравенство
-1≤5-2х<3

[tex] -1-5\leq-2x\ \textless \ 3-5 [/tex]

[tex] \frac{-6}{-2} \geq x\ \textgreater \ \frac{-2}{-2} [/tex]

[tex]3 \geq x\ \textgreater \ 1[/tex]

[tex]1\ \textless \ x \leq 3[/tex]