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23 June, 17:34

Evaluate the expression for the given value of the variable 7a - 4a for a = 8

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Answers (2)
  1. 23 June, 17:42
    0
    Answer:24

    Step-by-step explanation: you simply substitute 8 for a.

    7 (8) = 56 - 4 (8) = 32

    56-32=24
  2. 23 June, 17:45
    0
    7 (8) = 56

    4 (8) = 32

    56-32=24
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