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Though you could say this problem is a fairly basic one, this was always a question I had difficulty with during school, and I felt that I never got a clear answer. Having now spent a year in France, I wi...

Ok so we need to get 'y' by itself on the left hand side of equal sign. We will first try to remove the denominator by multiplying 'x' by (3+4y). This gives (3+4y)x = 1 - 2y.

We will then...

To find the highest common factor of 24 and 90 we do this in three steps:
1. Find the prime factorisation of the two numbers. This means rewrite each given number as a product of onl...

Take the '-masu' ending off the verb, leaving the stem (e.g. 'kaemasu --> kae-') and just add '-te'. The '-te' form is extremely useful: combine it with 'kudasai' to ask someone to do something, wit...