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These types of questions come up all the time in the exams, and they are usually a nice couple of marks, so understanding how we solve them is key!

Understanding these will also help us in a couple of weeks when we look at simultaneous equations which is where we have two unknowns to find!

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Look at that, we have already covered 8 subjects so far!

Make sure you are familiar with what we have covered so far, and if not, go back and have a look at all the weeks lessons!

Today's starter is going to be a longer one, we are going to do a lot of transposition recap before we move on to our simple equations!

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Equations are the process of equating one mathematical expression against another, and this is indicated with the '=' sign.

For example:

2+2 = 4

or

2x + 2 = 6

thus x = 2

In terms of todays lesson, we are going to be looking at algebraic equations, in which we will have one unknown such as 'x' or 'y' and we have to solve to find what they equate to.

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Please go to page 43 and do exercises i - v