Решение неравенства -9+10(-2x+9)<-7

Question

Решение неравенства
-9+10(-2x+9)<-7

Answer 1

-9+10(-2x+9)<-7<br>-9-20x+90<-7<br>-20x<-7+9-90<br>-20x<-88<br>x<<img src="https://tex.z-dn.net/?f=+%5Cfrac%7B88%7D%7B20%7D+%3D+%5Cfrac%7B44%7D%7B10%7D%3D+%5Cfrac%7B22%7D%7B5%7D%3D4%2C4++" id="TexFormula1" title=" \frac{88}{20} = \frac{44}{10}= \frac{22}{5}=4,4 " alt=" \frac{88}{20} = \frac{44}{10}= \frac{22}{5}=4,4 " align="absmiddle" class="latex-formula">
x<4,4