Applescript question about variables

I have a command in AppleScript that goes like this
set focus check box "/app/con[0]/ses[0]/wnd[0]/usr/chk[1,12]"
I would like to make the "12" a variable, and pass a new value by putting it in a loop
Something like
set focus check box "/app/con[0]/ses[0]/wnd[0]/usr/chk[1,x]"
Any suggestions to how to pass variable x in a string?
Thank you for your time

"/app/con[0]/ses[0]/wnd[0]/usr/chk[1," & x & "]"
Proof:
set x to 12
"/app/con[0]/ses[0]/wnd[0]/usr/chk[1," & x & "]" = "/app/con[0]/ses[0]/wnd[0]/usr/chk[1,12]" --> true
Message was edited by: Pierre L.

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"Sandeep Suri" <[email protected]> wrote in message
news:[email protected]..
Hi, I have quick question about use of USEBEAN tag in SP2. When I
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