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There are two diffrent sides of preparing for the comprehension: firstly, you need to work on your literacy and vocabulary - that means how well and how widely you can read, understand and use words. This...

To find out how much Charlie spends in total, you have to figure out how much he spends on each type of thing, and then add them together. To find how much he spends on each kind of thing, you have to mul...

1st multiply out the brackets:

y = 4x + 8 / 5x - 1

Next multiply both sides by the denominator onf the RHS:

y(5x-1)  = 4x + 8

Again, multiply out the brackets:

5xy - y =...

2/5 = 8/20        3/4 = 15/20

8/20 + 15/20 = 23/20

23/20 = 1 and 3/20

In order to solve this equation (x²-x-6=0) using the factorising method, you should first find the two numbers that mutiply to -6 and add to -1. The two numbers that do this are 2 and -3. There...