# algebra

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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

• algebra -

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

x +4y - 3z

C

• algebra -

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

• algebra -

-4(-6y + u - 3)

• algebra -

3(y+5)

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