You know solving this is like cutting a piece of double chocolate brownie and stuffing in your mouth!
4x + 3 +5x + y
So to solve this you just have to first bring the alikes together!
= 4x + 5x +3+ y
Now add the like terms
= 9x + 3 + y ANSWER
So see , easy as I said!
btw......isnt the brownie yummy?