Here is the new description with all the links and additional text removed: Learn how to solve equations using the angles sum and difference identities. Using the angles sum and difference identities, ...
Click to explore updated revision resources for GCSE Maths: Solving equations with unknowns on both sides, with step-by-step slideshows, quizzes, practice exam questions, and more! Solve this equation ...
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 ...