If you want to use Excel's Goal Seek on multiple cells simultaneously, you'll need a much more powerful tool. Fortunately, one such tool comes with Excel. Let's have a look at the Solver add-in.

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 ...

With this example, type "A1." Click "Solve." Excel will replace cell A1 with the equation's solution. With this example, it will insert the value "21," the equation's solution, into cell A1.