X-y=3;X-y=-4

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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=3;X-y=-4 system of equations: 


  • /| X-y-3 = 0| X-y+4 = 0
  • We try to solve the equation: X-y-3 = 0
  • X-y-3 = 0 // + -y-3
  • X = -(-y-3)
  • X = y+3
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| y-y+3+4 = 0| X = y+3
  • 7 = 0
  • y belongs to the empty set
  • The system of equations does not have any solution

 

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