Inequalities and Absolute Values

Question 1

Solving Equations with Absolute Value Bars

When solving EQUATIONS with ABS VALUE BARS, what rules apply?

PEMDAS

Answer 1

Get rid of the ABS VALUE BARS first.
Parentheses (includes (), [], |x| and ROOT SIGN).

Question 2

Checking Solutions to Equations with ABS

How do you verify a SOLUTION of an EQUATION with ABS BARS?

Answer 2

Substitute each SOLUTION into the original EQUATION.