Find out how to solve simultaneous equations using a graph in this Bitesize KS3 maths video.

Use Solver Add-in to solve equations in Excel. Based on your criteria solve equations easily and quickly using Excel with help of Solver Add-in.

Capture relationships between data sets by graphing linear equations in Microsoft Excel 2007. Linear equations allow you to predict values within your data set and view the overall trend.

Case in point? [3Blue1Brown] has a video showing how to solve 2D equations using colors.

Still, Docs can solve basic math problems while you're working on your go-to Chromebook or laptop. We show you how to solve simple math equations on Google Docs.