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12-10-2017
Mathematics

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What is three more than the product of a number and 7 equals 8 . use the variable x for the unknown number?

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mysticaldogg mysticaldogg

12-10-2017

(7x) + 3 = 8
subtract both sides by 3.

7x = 5
divide both sides by 7 to isolate the variable, x.

x = 5/7

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