# Math Help - A combine terms

1. ## A combine terms

3x-4a+5a-3x+a=?

2. Originally Posted by Megpup
3x-4a+5a-3x+a=?
3x - 4a + 5a - 3x + a = ?

let's rearrange the numbers so that we have like variables beside each other, we can do that since addition is commutative

3x - 4a + 5a - 3x + a = 3x - 3x - 4a + 5a + a ................now add all the x's and a's together
.............................= 0x + 2a
.............................= 2a