Absolute value is the magnitude of a real number without regard to its sign and the equations containing absolute values are called absolute value equations.
Following are the basic steps to solve an equation involving absolute values:
- Step 1:
Isolate the absolute value expression. - Step2:
Set the quantity inside the absolute value notation equal to + and - the quantity on the other side of the equation. - Step 3:
Solve for the unknown in both equations. - Step 4:
Check your answer analytically or graphically.
For more details please see the following video tutorial:
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