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Let's use an example. x+y=6 2x+3y=14 Find the values of x and y. When I was kid back then, I was always wondering why are equations important? Well, for me, its because we want to be precise with our asnwers...

This question is basically just asking you why water has a higher boiling point that H 2 S. So you need to ask yourself what is the factor which means water has a higher boiling point? If you remember back t...

The Pythagoras Theorem equation is: a 2 + b 2 = c 2 It is used to calculate an unknown side of a right angled triangle. a, b and c represent sides of the triangle and you can rearange the formula to find whi...

To simplify an equation the x terms can be collected together to give: 4x + 5x - 2x = 7x The numbers can be collected together to give: -2 + 7 = 5 Which then when put together makes 7x + 5

Because these words are both translated to English with 'for' it can be difficult to choose between them at times. In order to choose correctly, there are several rules to remember, here are the most importa...