Respuesta :
First, distribute the 3 into (-4z+5w):
3w+12z-15w+4z
Combine like terms:
3w-15w+12z+4z
-12w + 16z
3w+12z-15w+4z
Combine like terms:
3w-15w+12z+4z
-12w + 16z
3w - 3 (-4z + 5w) + 4z
Distribute -3:
= 3w + 12z - 15w + 4z
Combine like terms:
= -12w + 16z
Answer: -12w + 16z
Distribute -3:
= 3w + 12z - 15w + 4z
Combine like terms:
= -12w + 16z
Answer: -12w + 16z