Given a equation , let’s find the real value of x.

First, divide both sides by which becomes:

as , and , it becomes:

Let’s replace with and further we have:

that is

This equation has a golden root (the negative root should be discarded):

Therefore,
and
and
and we can compute the value x that is approximately 1.187.

–EOF (The Ultimate Computing & Technology Blog) —

推荐阅读：
数学还原问题例题解答　 流水问题数量关系详解　 各种行程问题数量关系　 差倍问题解答方法及范例　 和倍问题解答方法及例题　 和差问题解答方法和例题　 归总问题数量关系和范例　 归一应用题常见形式和解答方法　 平均数应用题常见形式和解答方法　 未想好