Concept explainers
To calculate: the value of expression
Answer to Problem 63E
The value of expression
Explanation of Solution
Given information : consider, the expression provided in the question,
Calculation : to evaluate the expression, it is needed tosubstitute -7 for x , then because of mod -7 becomes 7 when we remove the mod after removing both mods subtract results.
Hence,
Thus, The value of expression
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