2. 职称英语
  3. The result obtained when x is multiplied by y is equal to ten times the result o

The result obtained when x is multiplied by y is equal to ten times the result o

游客2024-01-12  49
问题 The result obtained when x is multiplied by y is equal to ten times the result obtained when y is subtracted from x. If y equals 5, what does x equal?
选项 A、50
B、25
C、15
D、10
E、5
答案 D
解析 本题考查方程的列写，由题意得到：
xy=10(x-y)，
把y=5代入得到x=10。
转载请注明原文地址:https://tihaiku.com/zcyy/3354781.html
相关试题推荐
随机试题
最新回复(0)