x=3y-4;4x-12y=-16

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

Solution for x=3y-4;4x-12y=-16 system of equations: 


  • /| x-(3*y)+4 = 0| 4*x-(12*y)+16 = 0
  • We try to solve the equation: x-(3*y)+4 = 0
  • x-3*y+4 = 0 // - x+4
  • -3*y = -(x+4) // : -3
  • y = (-(x+4))/(-3)
  • y = (x+4)/3
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 4*x-(12*((x+4)/3))+16 = 0| y = (x+4)/3
  • (-1*12*(x+4))/3+4*x+16 = 0
  • 16-16 = 0
  • 0 = 0
  • The system of equations has infinitely many solutions

 

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