x+y=31;121x+96y=3576.00

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

Solution for x+y=31;121x+96y=3576.00 system of equations: 


  • /| x+y-31 = 0| 121*x+96*y-3576 = 0
  • We try to solve the equation: x+y-31 = 0
  • x+y-31 = 0 // - x-31
  • y = -(x-31)
  • y = 31-x
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 96*(31-x)+121*x-3576 = 0| y = 31-x
  • 96*(31-x)+121*x-3576 = 0
  • 25*x-3576+2976 = 0
  • 25*x-600 = 0
  • 25*x-600 = 0 // + 600
  • 25*x = 600 // : 25
  • x = 600/25
  • x = 24
  • We insert the solution into one of the initial equations of our system of equations
  • For y = 31-x: 
  • y = 31-24
  • y = 7
  • We get a system of equations:
  • /| y = 7| x = 24

 

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