anonymous
  • anonymous
7x - 5y = 6 -8x + y = 12 anyone knows how to do it? (:
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
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Hero
  • Hero
yup
Hero
  • Hero
Multiply the second equation by 5 then add the equations together
anonymous
  • anonymous
can you show me the steps? :)))

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Hero
  • Hero
You can do that, or you can do this: 7x - 5y = 6 -8x + y = 12 y = (6 - 7x)/-5 y = 12 + 8x y = y -5(12 + 8x) = 6 - 7x -60 - 40x = 6 - 7x 33x = -66 x = -66/33 x = -2 y = -4
Hero
  • Hero
Those are the steps if you set y = y
anonymous
  • anonymous
and what would be "x"?
anonymous
  • anonymous
got it! thank you!!!!!!!!

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