Save guides, add subjects and pick up where you left off with your BBC account. Make sure you are confident in calculating with negative numbers, which is a skill often needed to solve equations. To ...

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 ...

Math is one of the hardest subjects in school, which is why owning a graphing calculator seems like a necessity for students. But what if you could use your smartphone to solve equations by pointing ...