###### Exercise20

Solve this inequality.

\(\displaystyle{ {-x} \leq {6} }\)

In set-builder notation, the solution set is .

In interval notation, the solution set is .

Solve this inequality.

\(\displaystyle{ {-x} \leq {6} }\)

In set-builder notation, the solution set is .

In interval notation, the solution set is .