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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

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