Answer:
5w-16u
Step-by-step explanation:
Use the distributive property.
-4(-5w+u)+3(-4u-5w)
=20w-4u - 12u - 15w
= 5w-16u
Open the brackets one by one
20w-4u-12u-15w
Re-arrange
20w-15w-4u-12u
