Question

Помогите.
4х<-12
НАЙТИ:
х -?
3х -?
х-3 -?

Answer 1

$4x\ \textless \ -12\\x\ \textless \ -12:4\\x\ \textless \ -3\\\\x\ \textless \ -3\\3x\ \textless \ -3*3\\3x\ \textless \ -9\\\\x\ \textless \ -3\\x-3\ \textless \ -3-3\\x-3\ \textless \ -6$