Their are 10 tens in 100 and there are 100 tens in 1000
May be able to get the most from the first time since I've been using this method for producing an excellent job and the other hand, the first thing I noticed.
-512 is the answer because 512 is a negative solution in Integers math
<span>(13a + 5b) + (a + 5b - 3)
</span><span>
= 13a + 5b + a + 5b - 3
= 14a + 10b - 3 </span>
When dividing by a negative the sign changes to the opposite.