skruzel4725 skruzel4725
  • 15-12-2020
  • Mathematics
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4x-5y=0
8x+5y=-60
what is the answer by substitution or elimination?

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Dxzy
Dxzy Dxzy
  • 15-12-2020
The answer is -5, -5 added by 5 cancels each other out. Then when you add 4x + 8x, you get 12x. So when you do 12x= -60, you get -5.
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