Add them together: 3a+4a-a = 6a
Chat with our AI personalities
"a" plus "3a" is equal to 4a. (3a+a=4a). You already have 3 "a's" and then you add another "a."
3a2
The given expression can be simplified to: 3b-a
7a-2b
Take your pick: a, 2a, 3a, 4a .... etc