# Congruency : Solve for a and b

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Solve for a and b

4a + b = 1 (mod 5)

a + b = 2 (mod 5)

check answers for a and b by substituting into the original equations

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##### Solution Summary

Mod equations are solved. The original equations are determined.

##### Solution Preview

4a+b = 1 (mod 5) ------(1)

a+b = 2 (mod 5) ------(2)

Mod 5 ...

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