If u is an algebraic expression and c is a positive number,1. The solutions of |u| < c are the numbers that satisfy

If u is an algebraic expression and c is a positive number,
1. The solutions of $|u| are the numbers that satisfy$-c.
2. The solutions of $|u|>c$ are the numbers that satisfy.
These rules are valid if $<$ is replaced be $\le$ and $>$ is replaced by $\ge$

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cyhuddwyr9
1. Each of them gives rise to two inequalities.
2. Hence, you need to solve two inequalities in each case.