Monday, September 21, 2009

Reflections sept.21

Today in math i learned an easier way to solve linear equations. The method goes like this: here is an example.
l1: 2x+6y=12 (x4)
l2: 3x+4y=14(x6)
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l1: 8x+20y=48
l2:18x+20y=84
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26x =132
x = 106

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