y=3x+2;y=2x

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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=3x+2;y=2x system of equations: 


  • /| y-(3*x)-2 = 0| y-(2*x) = 0
  • We try to solve the equation: y-(3*x)-2 = 0
  • y-3*x-2 = 0 // + -3*x-2
  • y = -(-3*x-2)
  • y = 2-(-3*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 2-(2*x)-(-3*x) = 0| y = 2-(-3*x)
  • x+2 = 0 // - 2
  • x = -2
  • We insert the solution into one of the initial equations of our system of equations
  • For y = 2-(-3*x): 
  • y = 2-(-3*(-2))
  • y = 2-(2*3)
  • y = 2-6
  • y = -4
  • We get a system of equations:
  • /| y = -4| x = -2

 

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