11x+15y=6912;-11x-11y=-6336

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2x+y=8
x+3y=14

Solution for 11x+15y=6912;-11x-11y=-6336 system of equations:


  • /| 11*x+15*y-6912 = 0| 6336-11*x-(11*y) = 0
  • We try to solve the equation: 11*x+15*y-6912 = 0
  • 11*x+15*y-6912 = 0 / - 11*x-6912
  • 15*y = -(11*x-6912) / : 15
  • y = (-(11*x-6912))/15
  • y = (6912-(11*x))/15
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 6336-(11*((6912-(11*x))/15))-11*x = 0| y = (6912-(11*x))/15
  • (-1*11*(6912-11*x))/15-11*x+6336 = 0
  • 6336-44/15*x-25344/5 = 0
  • 6336/5-44/15*x = 0
  • 6336/5-44/15*x = 0 / - 6336/5
  • -44/15*x = -6336/5 / : -44/15
  • x = -6336/5/(-44/15)
  • x = 432
  • We insert the solution into one of the initial equations of our system of equations
  • For y = (6912-(11*x))/15:
  • y = (6912-(11*432))/15
  • y = (6912-4752)/15
  • y = 2160/15
  • y = 144
  • We get a system of equations:
  • /| y = 144| x = 432

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