Math Problem Statement
Suppose a, b, c, and d are integers with the property that 2a + 4b + 3c + d is a multiple of 5. Prove that 2b + 4c + 3d + a is a multiple of 5. [Note: Your proof must work for all such integers a, b, c, and d, not just one or several specific choices of these value].
Solution
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Math Problem Analysis
Mathematical Concepts
Modular Arithmetic
Congruences
Formulas
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Theorems
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Suitable Grade Level
Advanced Mathematics
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