pmatailoowsv21 pmatailoowsv21

07-12-2017
Mathematics

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Solve by elimination 2x-4y=8 and 3x-2y=8

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mark212 mark212

07-12-2017

Times the left one by 3 and the one on the right with 2 and then solve

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lesliekolleroxrkcf lesliekolleroxrkcf

07-12-2017

2x - 4y = 8
6x - 4y = 16

subtract going down...

-4x = -8
x = 2
2*2-4y=8
-4y = 4
y = -1

(2,-1)

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