y=200+10x;y=50x

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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=200+10x;y=50x system of equations: 


  • /| y-(10*x)-200 = 0| y-(50*x) = 0
  • We try to solve the equation: y-(10*x)-200 = 0
  • y-10*x-200 = 0 // + -10*x-200
  • y = -(-10*x-200)
  • y = 200-(-10*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 200-(50*x)-(-10*x) = 0| y = 200-(-10*x)
  • 200-40*x = 0 // - 200
  • -40*x = -200 // : -40
  • x = -200/(-40)
  • x = 5
  • We insert the solution into one of the initial equations of our system of equations
  • For y = 200-(-10*x): 
  • y = 200-(-10*5)
  • y = 50+200
  • y = 250
  • We get a system of equations:
  • /| y = 250| x = 5

 

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