x> -37
work is as follows
[tex]10x+140 \ \textgreater \  -230[/tex]
subtract 140 from both sides
[tex]10x+140-140 \ \textgreater \ -230-140 \\ 10x\ \textgreater \ -370[/tex]
divide both sides by 10
[tex] \frac{10x}{10} \ \textgreater \   \frac{-370}{10}  \\  \\ x\ \textgreater \  -37[/tex]