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Minus 2x+y=8 from 3x+y=11 so that the y's cancel out (y-y=0).Then we get the equation 3x-2x=11-8.So we get x=3.We can substitute this value back into one the orginal equations: y=11-3(3)=2 - so y=2....
(A-level Maths)Simultaneous equations: 1) y = 3x -2 2) x + 3y = 1Substitute y = 3x - 2 into equation 2:...
Comparison one: the balance of trade in goods peaked in 2010 Q4 at -£10.4 million, whereas the balance of trade in services peaked in 2011 Q2 at £5.6 million.Comparison two: the balance of trade in goods ...
Firstly, monopolists aim for profit maximisation. This is achieved by operating at an output level where marginal cost equals marginal revenue (MC=MR). However, contrary to other market structures, there ...
The subjunctive, which is technically a 'mood', is a grammatical aspect that everyone struggles with (even students at university!), however after a little practice it is fairly easy to master.Firstly, th...
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