y=2x+5;y=3x+4

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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+5;y=3x+4 system of equations: 


  • /| y-(2*x)-5 = 0| y-(3*x)-4 = 0
  • We try to solve the equation: y-(2*x)-5 = 0
  • y-2*x-5 = 0 // + -2*x-5
  • y = -(-2*x-5)
  • y = 5-(-2*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 5-(3*x)-(-2*x)-4 = 0| y = 5-(-2*x)
  • 1-x = 0 // - 1
  • -x = -1 // * -1
  • x = 1
  • We insert the solution into one of the initial equations of our system of equations
  • For y = 5-(-2*x): 
  • y = 5-(-2*1)
  • y = 2+5
  • y = 7
  • We get a system of equations:
  • /| y = 7| x = 1

 

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