SOLVING EQUATIONS CONTAINING ABSOLUTE VALUE(S)
Note:
Example 1:
Step1:
You can also check your answer by graphing
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Step 2: .
Step 3:
The answers are and
.
Step 4:
by substituting
in the original equation
for x. If the left side of the equation equals the right side of the
equation after the substitution, you have found the correct answer:
Check the solution
by substituting
in the original equation
for x. If the left side of the equation equals the right side of the
equation after the substitution, you have found the correct answer:
(the left side of the original
equation minus the right side of the original
equation). You will note that the two x-intercepts on
the graph are located at
and
.
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Example
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