#### Solver problem #3

```I have a complex equation that is equal to zero with just one unknown that I
have entered as "x". I need to know how to use solver to solve for the
unknown variable. How do I do this? It seems like it should be simple, but
I'm not sure how to enter the unknown into the equation. I keep getting the
error, "Invalid target cell." Which makes me think that I should enter the
```
 0
nj125 (2)
5/19/2005 2:39:15 AM
excel.misc 78881 articles. 5 followers.

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```Assume some value for this x, and then enter this cell as 'by changing
cell'. Your equation cell should be the target cell.

- Mangesh

"nj125" <nj125@discussions.microsoft.com> wrote in message
news:68291046-8113-482B-820A-7FE003F8B90F@microsoft.com...
> I have a complex equation that is equal to zero with just one unknown that
I
> have entered as "x". I need to know how to use solver to solve for the
> unknown variable. How do I do this? It seems like it should be simple, but
> I'm not sure how to enter the unknown into the equation. I keep getting
the
> error, "Invalid target cell." Which makes me think that I should enter the

```
 0
5/19/2005 4:18:57 AM
```nj125  -

> I have a complex equation that is equal to zero with just one unknown that
> I have entered as "x". I need to know how to use solver to solve for the
> unknown variable. How do I do this? It seems like it should be simple, but
> I'm not sure how to enter the unknown into the equation. I keep getting
> the error, "Invalid target cell." Which makes me think that I should enter

You might be able to use Tools | Goal Seek for your task. See Excel's Help
for info.

(Goal Seek often works fine for a single unknown; Solver is required for
multiple unknowns with constraints.)

-  Mike
www.mikemiddleton.com

```
 0
5/19/2005 4:19:53 AM

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