christybrown13257 christybrown13257
  • 13-02-2020
  • Mathematics
contestada

What is the result of subtracting the second equation from the first -2x+7y=10 3x+7y=2

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monica789412 monica789412
  • 18-02-2020

The answer after subtracting the following equation is x= -8/5

Step-by-step explanation:

  • -2x+7y=10 ----- eq(1) , 3x + 7y =2------ eq(2)

  • 7y+3x =2
  • 7y-2x = 10
  • subtracting eq 2 from eq 1 we get
  • 5x = -8
  • x= -8/5

   

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