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26 July, 06:24

Which is a correct way of evaluating the expression 9x + 16x for x = 4?

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Answers (2)
  1. 26 July, 06:50
    0
    Substitute the x in the expression for 4.

    9 (4) + 16 (4)
  2. 26 July, 06:52
    0
    9x + 16x

    When x = 4,

    9x + 16x = 9 (4) + 16 (4)

    9x + 16x = 36 + 64

    9x + 16x = 100
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