Question

2x+1<4
3x-6<-12
Поможіть ,будь ласка, срочно

Answer 1

$\left \{ {2x+1 < -4} \atop {3x-6\leq -12}} \right.= > \left \{ {2x < -4-1} \atop {3x\leq -12+6}} \right. = > \left \{ {{x < -2,5} \atop {x\leq -2\\} \right.= > x < -2,5$Ответ: x∈(-∝;-2,5)

Объяснение:

Answer 2

Ответ:

$\left \{ {{2x-1 < -4} \atop {3x-6\leq-12}} \right\\\left \{ {{x\in(-\infty;-2,5)} \atop {x\in(-\infty;-3]}} \right$

Объяснение:

$\left \{ {{2x+1 < -4} \atop {3x-6\leq-12}} \right\\\left \{ {{2x < -4-1} \atop {3x\leq-12+6}} \right\\\left \{ {{2x < -5} \atop {3x\leq-6}} \right\\\left \{ {{x < \frac{-5}{2}} \atop {x\leq\frac{-6}{3}}} \right\\\left \{ {{x < -2,5} \atop {x\leq-3}} \right\\\left \{ {{x\in(-\infty;-2,5)} \atop {x\in(-\infty;-3]}} \right$