单选题
The larger of two numbers exceeds three times the smaller number by 2. The sum of twice the larger and 4 times the smaller is 73. If a is the smaller number, which equation below determines the correct value of x?
- A. 4(3a+2)+2a=73
- B. 4(3a+2)+2a=73
- C. (6a+2)+4a=73
- D. 2(3a+2)+4a=73
- E. 2(3a-2)+4a=73
【正确答案】
D
【答案解析】To answer this question, carefully convert the given information into its mathematical equivalent. The larger number is 3a+2; you are given that the smaller number is a. Therefore, the equation is 2(3a+2)+4a=73.