SOLUTION: ( a + 4b) - (a + b) __ ___ 3 3

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Question 81188: ( a + 4b) - (a + b)
__ ___
3 3
Answer by ankor@dixie-net.com(22740) About Me  (Show Source):
You can put this solution on YOUR website!
:
%28%28a%2B4b%29%29%2F3 - %28%28a%2Bb%29%29%2F3
:
Since they are over the same denominator, we can write them like this:
%28%28a%2B4b%29+-+%28a%2Bb%29%29%2F3
:
Remove the brackets, a is eliminated, cancel 3:
%28a+%2B+4b+-+a+-+b%29%2F3 = %284b+-+b%29%2F3 = %283b%29%2F3 = b