👉Learn how to solve a system (of equations) by elimination. A system of equations is a set of equations which are ...

Make sure you are confident in solving one and two-step linear equations and expanding brackets in order to tackle these more complex types of equations. Substitute close substituteIn algebra, to ...

Often in algebra we have an equation that we want to solve. This frequently involves manipulating the equation in various different ways to achieve a desired outcome. Key fact The golden rule when ...

This jingle has helped generations of algebra students recall the quadratic formula that solves every equation of the form $latex ax^2+bx+c=0$. The formula is as ...

“I’m not going to do my maths homework. Look at these unsolved problems. Here’s a number in mortal combat with another. One of them is going to get subtracted. But why? What will be left of him?” – ...

Learn how to solve a system of equations by substitution. To solve a system of equations means to obtain a common values of ...