Answer:
A) 6x-1
B) -6
C) 9x2+8x-8
D) 3
E) 10x+66
Step-by-step explanation:
2X - Y + 3Z
Combine like terms. Like terms are terms that have the same variable part.
6X + 5Y − 2Z − 4X − 6Y + 5Z =
= 6X - 4X + 5Y - 6Y - 2Z + 5Z
= 2X - Y + 3Z