If x belongs to the set of residues modulo 6 and `3 + x -= 2` (mod 6), then x = ________.

If x belongs to the set of residues modulo 4 and 2 + x -= 5 (mod 4), then x = __________.

If x belongs to the set of residues modulo 6 and 5 + x -= 3 (mod 6), then find x.

If x belongs to the set of residues modulo 4 and 6x - 3 -= -1 (mod 4), then find x.

If a+2 -= 3 (mod 6), then a is __________.

If x^(3) -= x (mod 3), then x can be __________.

if 3x =5 (mod ) 7, then :

If 3x=5 (mod 7) then

Find x, if 9x -= 2 (mod 7).

If 6x -= 5 (mod 7), then find x.

If x belongs to the set of residues modulo 10, then the common solution of 5 + x -= 0 (mod 3) and 6 + x -= 0 (mod 5) is ________.