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Mathematics, 11.07.2019 13:00 ling95

Write a variable expression for the word phrase. the product of 3 and a number n decreased by 7 a. 3n-7 b.7n-7 c.3÷n-7 d.3n+7

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Write a variable expression for the word phrase. the product of 3 and a number n decreased by 7 a. 3...
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