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9 November, 11:48

Let x = 6. Evaluate 5x + 18x.

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  1. 9 November, 12:03
    0
    Use the substitution method

    5x+18x

    5 (6) + 18 (6)

    30+18 (6)

    Mutiply first then add

    30+108

    = 138

    Answer: 138
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