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# Solve the system of congruences in Exercise 20 using the ISBN: 9780073383095 37

## Solution for problem 23E Chapter 4.4

Discrete Mathematics and Its Applications | 7th Edition

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Problem 23E

Solve the system of congruences in Exercise 20 using the method of back substitution.

Reference Exercise 20

Use the construction in the proof of the Chinese remainder theorem to find all solutions to the system of congruences

x=2(mod 3), x=1 (mod 4), and x=3 (mod 5)

Step-by-Step Solution:

Step 1:

In this problem, we need to solve the system of congruence.

Step 2:

Congruent modulo:

Let m be a positive integer and two integers a and b are said to be congruent modulo m if m divides their difference.which is denoted by Step 3 of 4

Step 4 of 4

##### ISBN: 9780073383095

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