Question 943234

Hello,
I am trying to solve the below equation for x, but am somehow messing up one of the steps.  Here it is:

x-1 over 8
minus
x+1 over 18
= 1

Thanks in advance :)
<pre>Where are you messing up? Don't you think it'd benefit you to show your work?
{{{highlight_green(x = 17)}}}