Mathematics, 23.10.2020 21:50, henryzx900

When a number n is decreased by 12 and then the result is multiplied by 3, the product is equal to 21 . Write an equation and solve it to find the value of n . The equation is , The value is .

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When a number n is decreased by 12 and then the result is multiplied by 3, the product is equal to 2...

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