Question

what is the sum of 3a+b+a+b?

Answer 1

What's the sum of 3apples + 1apple + 1banana + 1banana ?

Answer 2

hi !
sum the sames !
the sames should have :
1. same words .a and a or 2a and 5a or b and b
2. same powers .a^2 and a^2 or 3a^2 and 9a^2 or a and a .
Got it ?;)
@lover1234

Answer 3

LOL

Answer 4

it would be 4a + 2b :) http://www.wolframalpha.com/input/?i=3a%2Bb%2Ba%2Bb

Answer 5

4 apples and 2 bananas