waecmaths question:
If 3x ≡ 4(mod 5), find the least value of x.
Option A:
1
Option B:
2
Option C:
3
Option D:
4
waecmaths solution:
Option C3(1) =3 (mod5)3(2) =1(mod5)3(3)=4(mod5)3(4)=2(mod5)The least value of x is 3, (that is the smallest value x can be is 3)
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