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해법
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Translate the problem into an equation
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A pair of dice are rolled. What is the probability their total will be greater than 9?Express the following in algebraic expression: the sum of a number x and 7.six more than a number is less than or equal to 10If five is subtracted from three times a certain number, the result is 10. What is the number? Write your answer on the blank.10 less than a number,