5x-27=-y;4x-y=0

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Solution for 5x-27=-y;4x-y=0 system of equations:


  • /| 5*x+y-27 = 0| 4*x-y = 0
  • We try to solve the equation: 5*x+y-27 = 0
  • 5*x+y-27 = 0 / - 5*x-27
  • y = -(5*x-27)
  • y = 27-(5*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 4*x+5*x-27 = 0| y = 27-(5*x)
  • 9*x-27 = 0 / + 27
  • 9*x = 27 / : 9
  • x = 27/9
  • x = 3
  • We insert the solution into one of the initial equations of our system of equations
  • For y = 27-(5*x):
  • y = 27-(3*5)
  • y = 27-15
  • y = 12
  • We get a system of equations:
  • /| y = 12| x = 3

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