Answer:
a +5b
Step-by-step explanation:
(−2)(a−b)+3(a+b)
Distribute
-2a -2(-b) +3a +3b
-2a +2b +3a+3b
Combine like terms
-2a +3a +2b +3b
a + 5b
-2a + 2b + 3a + 3b
