Question 629811
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*[tex \LARGE \ \ \ \ \ \ \ \ \ \ k\ =\ 2l\ +\ 2w]


Add *[tex \LARGE -2w] to both sides


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ 2l\ =\ k\ -\ 2w]


Multiply by *[tex \LARGE \frac{1}{2}]


*[tex \LARGE \ \ \ \ \ \ \ \ \ \ l\ =\ \frac{k\ -\ 2w}{2}]


John
*[tex \LARGE e^{i\pi}\ +\ 1\ =\ 0]
My calculator said it, I believe it, that settles it
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