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10-11-2019
Mathematics

contestada

when a number n is decreased by 12 and then the result is multiplied by 3, the produt is equal to 21. write an equation and solve it to find the value of n.

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madeline234 madeline234

10-11-2019

3 times 7 equals 21. so you have to do 12 plus 7 to get n. the answer is 19

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