1y=-3x+7;-1y=3x+2

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

Solution for 1y=-3x+7;-1y=3x+2 system of equations: 


  • /| 1*y-(-3*x)-7 = 0| -(3*x)-1*y-2 = 0
  • We try to solve the equation: 1*y-(-3*x)-7 = 0
  • 3*x+y-7 = 0 // - 3*x-7
  • y = -(3*x-7)
  • y = 7-(3*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| -1*(7-(3*x))-(3*x)-2 = 0| y = 7-(3*x)
  • -1*(7-3*x)-3*x-2 = 0
  • -7-2 = 0
  • -9 = 0
  • -9 = 0
  • x belongs to the empty set
  • The system of equations does not have any solution

 

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