standard_description: Identify the shapes of two-dimensional cross-sections of three-dimensional objects, and identify three-dimensional objects generated by rotations of two-dimensional objects.
problem_activity: Solve the inequalities.
a.
$${|x+2|-5≥8}$$
b.
$${-2 \left| {2\over3} x+4 \right| >-16}$$


aligns: no