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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asked Jul 7, 2020 165k views

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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.

Mathematics
middle-school

Landy asked

by Landy

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

Zura Sekhniashvili answered Jul 11, 2020

by Zura Sekhniashvili

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