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15 September, 10:49

A store owner spends 7x + $13 on two order of boxes of light bulbs including shipping if she spends 3x + $5 on the first order of lightbulbs how much does she spend the second order

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  1. 15 September, 14:43
    0
    4x + $8

    Step-by-step explanation:

    You know that ...

    cost of both orders = cost of first order + cost of second order

    Subtracting the cost of the first order gives ...

    cost of both orders - cost of first order = cost of second order

    (7x + $13) - (3x + $5) = cost of second order

    (7x - 3x) + ($13 - $5) = cost of second order

    4x + $8 = cost of second order
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