Answer
$x\lt-11$
Work Step by Step
$-12x\gt132\longrightarrow$ divide both sides by -12; reverse the inequality sign
$-12x\div-12\lt132\div-12\longrightarrow$ divide
$x\lt -11$
Check the inequality. Choose any number less than -11 and substitute for x.
$-12(-20)\overset?\gt132$
$240\gt132\checkmark$
Since -11 is not included in the solution, the endpoint of the graph is an open circle.
