pmatailoowsv21 pmatailoowsv21
  • 07-12-2017
  • Mathematics
contestada

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

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mark212
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 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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