4x + 3≡ 3 mod 4. Find the solution when you substitute each whole number less than 4 into the congruence equation. Find the multiplicative inverse of 5 in modulo 9 arithmetic. Find the additive inverse of 5 in modulo 9 arithmetic

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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  1. 4x + 3≡ 3 mod 4. Find the solution when you substitute each whole number less than 4 into the congruence equation.
  2. Find the multiplicative inverse of 5 in modulo 9 arithmetic.
  3. Find the additive inverse of 5 in modulo 9 arithmetic.
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