Cu cat e eagal x????

Cu Cat E Eagal X class=

Răspuns :

[tex] - 2x \geqslant 2 | \div (-2 )\\ x \leqslant -1 \\ [/tex]
[tex]-2x \geq 2 \Big|\div (-2) \\ \\ x \leq -1 \\ \\ \Rightarrow x \in (-\infty, -1][/tex]