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Firstly, read through the text carefully and try to get your bearings within it. Ask yourself some basic questions to begin: what kind of text is this? Is it prose, poetry, a newspaper article? Who is spe...

1. 5x + 3y = 41   2) 2x + 3y = 20 Subtract equation 2) from equation 1) to cancel the y's (3y-3y = 0) .  Next we subtract  the x's (5x - 2x = 3x) and then finally we have 41 - 20 = 21. We now have that...

Recognise that quadratic can be factorised:

(x+4)(x-1)=0

This gives the solutions x=-4 and x=1 by inspection.

Moi, je fais de nombreux choses pour aider l’environnement. Premièrement, dans ma maison on recycle tout ; le papier, le verre, même les vêtements. Deuxiement, j’essaie toujours de me souvenir d’éteindre ...

English is quite different from most other subjects in that it is heavily source-based, both in one's understanding but also in the simple components to a question. I will separate this explanation into t...