수학 문제 (대수) 12 times a number is greater than 5 times that number by 49. Find that number. 열 식 해설

수학 문제 (대수) 12 times a number is greater than 5 times that number by 49. Find that number. 열 식 해설

12X - 5X = 49
X = 7
SO, the number is 7.