1/a+a/x=1/b+b/x

问题描述:

1/a+a/x=1/b+b/x

1/a+a/x=1/b+b/x
a/x - b/x = 1/b - 1/a
(a-b)/x = (a-b)/ab
a≠b,a-b≠0
1/x = 1/ab
x = ab