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mozino111
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hi guys i dont understand the last piece of working out could someone explain it to me please?
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Joshwoods01
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mozino111
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mozino111
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#4
i dont understand from 2+k onwards could someone explain to me how they got this please?
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flaurie
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#5
(Original post by mozino111)
i dont understand from 2+k onwards could someone explain to me how they got this please?
i dont understand from 2+k onwards could someone explain to me how they got this please?
So minus k from each side gives us
2 = 5k
Then we can divide by 5 to find what k is (2/5)
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Cat?
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#6
You know that
and 
Since you know that
is a fraction of
you can write
such that 
Therefore
You can then compare the
component and
component to get a pair of simultaneous equations with two unknowns. You're not looking for
so you can eliminate it and solve for


Since you know that




Therefore

You can then compare the




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mozino111
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mozino111
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#8
(Original post by laurawatt)
2 + k = 6k
So minus k from each side gives us
2 = 5k
Then we can divide by 5 to find what k is (2/5)
2 + k = 6k
So minus k from each side gives us
2 = 5k
Then we can divide by 5 to find what k is (2/5)
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mozino111
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#9
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