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First things first it will definately be useful to make a quick sketch of the x-y axes, the two points, and roughtly what the perpendicular bisector will look like.
This kind of question ...
Maths has always been a passion of mine from a young age. I've always enjoyed helping others with their maths as I find it extremely stimulating.
We label each equation
3x + 4y = 5 (1)
2x – 3y = 9 (2)
We now want to get rid of one of the variables (x or y). Lets get rid of x:
Take the sequence; 9, 12, 19, 30, ...
(1) The first step is always to look at difference between the terms;
9, 12, 19,...
My favourite way to remember whether my answer is positive or negative when I multiply two numbers is to think of the following:
a) If you multiply two numbers with the SAME sign (i.e. tw...
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