Question

решите неравенство 5х-3(5х-8)<-7

Answer 1

5х-15х+24<-7
-10x<-31
x>3,1
:)

Answer 2

$5x-15x+24\ \textless \ -7$
$-10x\ \textless \ -31$
$x\ \textgreater \ 3.1$
Ответ: (3,1; + ∞)