Solve the modulus equation

5x ≡ 8(mod 3)

Step 1: Calculate d = (5,3)

GCF (5,3) = 1

Step 2: We check to see if 1 | 8

8  =  8
  1

There will be 1 solutions mod 3

Build Diophantine equation from GCF

5x - 3y = 8

Final Answer


Extended Euclidean Algorithm
for 5 and 3
x = 2 and y = -1


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What is the Answer?
How does the Linear Congruence Calculator work?
Free Linear Congruence Calculator - Given an modular equation ax ≡ b (mod m), this solves for x if a solution exists
This calculator has 3 inputs.
What 2 formulas are used for the Linear Congruence Calculator?
ax ≡ b (mod m)
ax + by = c
What 4 concepts are covered in the Linear Congruence Calculator?
congruence
a problem of finding an integer x that satisfies the equation ax = b (mod m)
equation
a statement declaring two mathematical expressions are equal
linear congruence
a problem of finding an integer x that satisfies the equation ax = b (mod m)
modulus
the remainder of a division, after one number is divided by another.
a mod b
Example calculations for the Linear Congruence Calculator
Linear Congruence Calculator Video

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