Use absolute value and inequality notations to describe the following situations. You may use "$|$" for absolute value sign; ${\rm leq}$ for $\leq$ and ${\rm geq}$ for $\geq$. e.g. you may use "$|x| \ {\rm geq} \ 5$" for "$|x|\geq5$".
The distance between $x$ and $7$ is no more than $18$
The distance between $x$ and $- 6$ is at least $24$
$x$ is at least $6$ units from $0$
$x$ is at most $7$ units from $0$