How to Do Single-Variable Algebra in Excel. ... Type the number that you wish the variable to represent into your cell and press "Enter" for Excel to solve and display the results.

Excel can solve equations through several of its mathematical functions, ... applying a series of values to the equation's variable until it finds a solution. For example, ...

In two-dimensional XLOOKUP formulas, it doesn't matter which way around the XLOOKUPs go. In this example, the ID lookup is first in the formula, and the column header lookup is nested. If these were ...