Answer:
-2a + 3b
Step-by-step explanation:
Since you need to simplify the expression, you need to combine like terms. 3a and -5a are like terms because they both have the variable a. 3a + -5a equals -2a. 2b + b equals 3b. Since b would equal 1. If you combine them together, you get -2a + 3b.
Hope this helps!!
