What i the olution et for StartAboluteValue y minu 9 EndAboluteValue le-than-or-equal-to 12?
y greater-than-or-equal-to 3 or y le-than-or-equal-to 21
Negative 3 le-than-or-equal-to y le-than-or-equal-to 21
y greater-than-or-equal-to negative 3 or y le-than-or-equal-to 21
3 le-than-or-equal-to y le-than-or-equal-to 21