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21-10-2018
Mathematics

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What expression can be written for an actor gains 20 pounds and then loses 15

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Аноним Аноним

21-10-2018

If the actor starts from a certain weight [tex] w [/tex], gaining weight means to add something to [tex] w [/tex], while losing weight means to subtract something from [tex] w [/tex]. So, the expression is

[tex] w+20-15 = w+5 [/tex]

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