`5 -= 2` (mod 4). (True/False)

15 -= -3 (mod 9). (True/False)

If x -= y (mod m), then 6x - 5 -= 6y - 5 (mod m). (True/False).

If a equiv b (mod n), then a^3 equiv b^3 (mod n) (write true or false).

If A={1,2,3,4,5,6} , then {1,2}inA . (True or False)

a-=b (mod n) and b-=a (mod n) are equivalent

The largest two-digit number that satisfies 5x -= 6 (mod 4) is ________.

If 59-=3 (mod 7) , 46 -=4 (mod 7) then 105 -= …. (mod 7 ), 13-=…. (mod 7) , 413-= …… (mod 7) , 368 -= ….. (mod 7).

If (3-x) -=(2x-5) (mod 4) then one of the values of x is

Solve 5x=4 (mod 6)

If A=[{:(1,2,-5),(2,-3,4),(-5,4,9):}] , then A^(T) =A . True or False