2x+4y=0;2x-5y=0

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Remember to put linear equations with variables x and y.
for example:
2x+y=8
x+3y=14

Solution for 2x+4y=0;2x-5y=0 system of equations: 


  • /| 2*x+4*y = 0| 2*x-(5*y) = 0
  • We try to solve the equation: 2*x+4*y = 0
  • 2*x+4*y = 0 // - 2*x
  • 4*y = -(2*x) // : 4
  • y = (-(2*x))/4
  • y = (-1/2)*x
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 2*x-(5*(-1/2)*x) = 0| y = (-1/2)*x
  • -1/2*x = 0 // : -1/2
  • x = 0
  • We insert the solution into one of the initial equations of our system of equations
  • For y = (-1/2)*x: 
  • y = 0*(-1/2)
  • y = -1/2*0
  • y = 0
  • We get a system of equations:
  • /| y = 0| x = 0

 

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