Реши неравенство 7-х<10;2•х>14;20:х<40

Question

Реши неравенство 7-х<10;2•х>14;20:х<40

Answer 1

7-х<10<br>-x<10-7<br>-x<3<br>x>-3

2*x>14
x>14:2
x>7

20:x<40<br>x<20:40<br>x<<img src="https://tex.z-dn.net/?f=+%5Cfrac%7B1%7D%7B2%7D+" id="TexFormula1" title=" \frac{1}{2} " alt=" \frac{1}{2} " align="absmiddle" class="latex-formula">