Question 149730
Okay. Let {{{a>b}}}

If we multiply -1 on both sides {{{-a<-b}}}

If we use the Addition Property of equality.
{{{a-(a+b)>b-(a+b)}}}
{{{a-a-b>b-a-b}}}
{{{-b>-a}}}
Which is equal to {{{-a<-b}}}