Let x be the any real number.
\The word
less than or equal
represent the symbol is
.
The word
greater than
represent the symbol
.
The word
The real number x is less than or equal 
represent the inequality
.
The word
The real number x is greater than 12
represent the inequality
.
The word
All real numbers that are less than or equal
or greater than 12
represent the compound inequality
.
The compound inequality is
.
The compound inequality
graph is

Observe the graph, the open circle means that 12 is not a solution of the inequality and the closed circle means that
is a solution of the inequality.
The compound inequality is
and its graph is
