Click to explore updated revision resources for GCSE Maths: Functions, with step-by-step slideshows, quizzes, practice exam questions, and more! A function machine is a way of writing rules using a ...
👉 Learn how to solve two-step linear equations. A linear equation is an equation whose highest exponent on its variable(s) is 1. To solve for a variable in a two-step linear equation, we first ...
Make sure you are confident in calculating with negative numbers, which is a skill often needed to solve equations. To solve the equation, do the inverse operation. The inverse of multiplying by 12 is ...