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29 October, 14:47

Simplify the following expression.

7x - 4y + 5z - 2x - 10y + z

A) 5x - 14y + 6z

B) 9x - 14y + 6z

C) 5x - 6y + 6z

D) 9x - 6y + 6z

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Answers (2)
  1. 29 October, 17:03
    0
    (7x - 2x) + (-10y - 4y) + (5z + z) = 5x - 14y + 6z

    A is the correct answer
  2. 29 October, 17:48
    0
    A) 5x - 14y + 6z

    You add the numbers together that have the same letter.

    EX: 7x - 2x = 5x
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