Matrices | Using matrices to solve simultaneous equations

This video shows how to solve simultaneous equations using matrices. Click on the times below to jump to specific parts of the video and use the links below the times to view the previous videos on working with matrices. 00:06 - Welcome and disclaimer 00:50 - Start of example 01:00 - Step 1 - Convert equations to matrices 01:48 - Step 2 - Label the matrices 02:20 - Step 3 - Write statements 03:40 - Brief explanation as to the logic behind the statements 06:25 - Step 4 - Finding the inverse and working the question 07:29 - NOTE on working with fractions 07:45 - Finishing the example 10:07 - Recap of example 11:45 - Parting words Link to video on the basics of matrices https://youtu.be/EJAL5EIVoFg Link to video on multiplying matrices https://youtu.be/oy6t-PLLbhg Link to video on finding the inverse of a 2x2 matrix https://youtu.be/AF2xBr48oXY Thanks for watching! ^_^ Follow us on Instagram for tips, jokes, and motivation. Follow us on Facebook for FREE CSEC past paper solutions. Believe you can achieve anything if you have the proper mindset and put in the work! If you need help ask for it, it's out there :-) And if what you're doing isn't working then you need to ADApT; because change is the only constant.