# Solving a congruence equation.

• December 30th 2009, 10:46 AM
arun
Solving a congruence equation.
• December 30th 2009, 11:19 AM
tonio
Quote:

Originally Posted by arun
You can solve this since $5$ is invertible $\pmod {26}$ . The following is done using arithmetic $\pmod {26}$ :
$5x+8=22\Longrightarrow 5x=14\Longrightarrow x=\frac{14}{5}=14\cdot 21=294=8$