5a-3b-a+2b with working

First, combine like terms "a" and "-3b" to get:

5a - 3b - a + 2b

= 4a - b

So the expression simplifies to 4a - b.

To simplify the expression 5a - 3b - a + 2b, you need to combine like terms.

First, let's rearrange the terms in the expression:
5a - a - 3b + 2b

Now, let's combine the like terms:

5a - a combines to become 4a, and -3b + 2b combines to become -b.

So the simplified expression is 4a - b.