X+y=14;X=6y

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

Solution for X+y=14;X=6y system of equations: 


  • /| X+y-14 = 0| X-(6*y) = 0
  • We try to solve the equation: X+y-14 = 0
  • X+y-14 = 0 // - y-14
  • X = -(y-14)
  • X = 14-y
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 14-y-(6*y) = 0| X = 14-y
  • 14-7*y = 0 // - 14
  • -7*y = -14 // : -7
  • y = -14/(-7)
  • y = 2
  • We insert the solution into one of the initial equations of our system of equations
  • For X = 14-y: 
  • X = 14-2
  • X = 12
  • We get a system of equations:
  • /| X = 12| y = 2

 

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