Solve for x in 5x 7 mod 11Solutionto find the value of x we

Solve for x in 5x 7 mod 11.

Solution

to find the value of x we can proceed as follows:

since 5x 7 mod 11 which means 5x-7 is divisible by 11.

Hence 5x-7 is multiple of 11 say 22.

5x-7=22

5x=22+7 hence x will not come as natural number.

try for 5x-7=33

x= 40/5 = 8.

Hence x= 8.