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7x + 8y = 32 (let this be equation [1])x - 4y = 8 (let this be equation [2])
Make x the subject in equation [2] => x = 8 +4y (let this be equation [3])Sub [3] into [1]
7x + 8y = 32 => 7(8 ...

The subjunctive mood is used when expressing needs, desires, preferences, emotions, possibilities, opinions and suppositions. Putting it simply, it is used when something...

(9 x 3) + (18 / 3)
BIDMASBracketsIndicesDivideMultiplyAddSubtract
Br...

A common unseen poetry question requires you to compare how a certain theme (e.g. ageing) is presented in two different poems. The first thing to do is to read each poem from beginning to end. Make sure t...

A reflex action is the bodies automatic and rapid response to a stimulus which we carry out without thinking. Due to it being a rapid response it doesn't involve the brain and follows a path called the re...