Concept explainers
To evaluate the expression
Answer to Problem 21SGR
Explanation of Solution
Given:
The expression,
Concept Used:
The output of any absolute value expression is always positive and equal to the magnitude of the number irrespective to sign. That is,
Calculation:
In order toevaluate the value of the given expression
Here observe that the number inside the first absolute value sign is
And the number inside the second absolute value sign is
So, the given expression can be written as
Thus, the value of the expression is
Chapter 2 Solutions
Pre-Algebra Student Edition
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