Evaluate the expression when x is 4:

The given expression is evaluated as follows:

x += x++ * ++x % 2
x = x + (x++ * ++x % 2) (x = 4)
x = 4 + (4 * ++x % 2) (x = 5)
x = 4 + (4 * 6 % 2) (x = 6)
x = 4 + (24 % 2) (x = 6)
x = 4 + 0 (x = 6)
x = 4