1.

Solve 5x ≡ 4 (mod 6)

Answer»

5x – 4 = 6n (n may be any integer)

5x = 6n + 4

x = (6n + 4)/5

The value of n 1, 6, 11, 16 …

∴ The value of x is 2, 8, 14, 20 …



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