the number of even integers between 1 and 103 is the same is the same as the number of odd integers between 4 and x. what is the value of x?

# of numbers between 1 & 103: 102
Half of that would be even numbers. So, 51 even numbers. 
Between 4 and x, there are 102 numbers. 4+102=106. 4+106=x. 106=x