Remove the parentheses from the following expression, and combine like terms: (2x + 3y – 4z) – (x – y – z)

A. 3x + 4y + 5z
B. 3x + 4y – 3z
C. x + 4y – 3z
D. x + 2y – 5z

4 answers

2x +3y-4z-x+y+z

x +4y - 3z

C
Which one of the following pairs of terms is composed of like terms?



A. –3x, +3y
B. 2a, 2b
C. abc, cab
D. 4mn, 3my
-4(-6y + u - 3)
3(y+5)