Excel can solve for unknown variables, either for a single cell with Goal Seek or multiple cells with Solver.

The Solver add-in is included by default in Microsoft Excel. You only need to activate it to load it. Learn how to load Solver add-in in Excel if it is not showing.

As the title suggests, I have a problem in which I need to formulate an LP model. I'm supposed to work in Excel and use the Solver Add-in feature.I've done several other problems already, but this ...

You can use Excel, Microsoft's spreadsheet program, to store, organize, and analyze data in a number of ways.