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28 July, 17:46

A sleeping bag wieghs 8 pounds. your backack and sleeping bag together wiegh 31 pounds. write an equation to determine whether the backpack without the sleeping bag weighs 25or 23

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  1. 28 July, 20:42
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    Let b equal the weight of the backpack.

    8+b=31

    Now solve.

    8-8+b=31-8

    You have to subtract 8 from both sides in order to get b by itself.

    b=31-8

    b=23
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