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Therefore n = 4
12 June 2011
5n = 20
12 June 2011
This is a algebraic equation which can be solved using the balancing or inverse method
12 June 2011
You must first multiply and expand the brackets which gives 5n + 20 = 40
12 June 2011
n=4
12 June 2011
n= 4 for sure
12 June 2011
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