What is the solution to $\frac{x}{-7} \ge 9$ written in set notation?

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Answer 1 · 2018-06-05T12:23:07

$x in[-63,oo)$

$"multiply both sides by "-7$

$cancel(-7)xx x/cancel(-7)>= -7xx9$

$x>= -63$

$x in[-63,oo)larrcolor(blue)"in interval notation"$

What is the solution to \frac{x}{-7} \ge 9\frac{x}{-7} \ge 9 written in set notation?