How to solve complex, real-world problems using applied math Applied mathematicians have to find a balance between models that are realistic enough to be useful and simple enough to be implemented.

Learn how to form, solve, and rearrange equations using the tools and conventions of algebra with BBC Bitesize GCSE Maths.

Learn how to solve linear two-step equations with this BBC Scotland Bitesize maths guide for 3rd level in Scotland's Curriculum for Excellence..