yx+2;y-x

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

Solution for yx+2;y-x system of equations: 


  • /| y-x-2 = 0| x+y = 0
  • We try to solve the equation: y-x-2 = 0
  • y-x-2 = 0 // + -x-2
  • y = -(-x-2)
  • y = x+2
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| x+x+2 = 0| y = x+2
  • 2*x+2 = 0 // - 2
  • 2*x = -2 // : 2
  • x = -2/2
  • x = -1
  • We insert the solution into one of the initial equations of our system of equations
  • For y = x+2: 
  • y = 2-1
  • y = 1
  • We get a system of equations:
  • /| y = 1| x = -1

 

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