Question 836033
Here's what the problem tells us:
The numbers are A B 
B = A + 2 (consecutive odd)
4B = 5A - 73
.
Substitute the value of B into the second equation
4(A+2) = 5A - 73
Distribute
4A + 8 = 5A -73
Subtract 4A from each side
8 = A - 73
Add 73 to each side
81 = A