해법
해법
솔루션 단계
Represent the number with
A.T.Q.:
해결 대상
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The 차이 of three times a number and 4 is-19The product of 6, and a number increased by 7, is 72. What is the number?Consider a deck of cards. If you draw a single card, what is the probability that you draw a red aceThe 차이 of four times a number and eight is 24. Find the number.three times the 차이 of a number and 7 is 18