y=2x;y=2x-3

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

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


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

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