GCSE AQA Solving linear equations - AQA Number machines Forming, using and solving equations are skills needed in many different situations. From balancing accounts to making sense of a mobile ...

Learn about and revise how to solve equations using the balance method with this BBC Bitesize GCSE Maths Eduqas study guide.

C. G. Khatri, Sujit Kumar Mitra, Hermitian and Nonnegative Definite Solutions of Linear Matrix Equations, SIAM Journal on Applied Mathematics, Vol. 31, No. 4 (Dec ...