Learn how to solve simultaneous equations using substitution, algebraic and graphical methods with this BBC Bitesize Key Stage 3 Maths guide, then practise with examples and test questions.

AI is accelerating a conversation around how math instruction should put more emphasis on using numbers to solve real-world problems.

But what if you could use your smartphone to solve equations by pointing the camera at the problem in your textbook instead of using a graphing calculator? That is the idea behind PhotoMath.

iOS 18 takes messaging to the next level by letting users solve equations and convert values directly in the Messages app—no calculator or extra apps needed.