x-y-3;5x+y-3

Simple and best practice solution for x-y-3;5x+y-3. Check how easy it is, to solve this system of equations and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

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

Solution for x-y-3;5x+y-3 system of equations: 


  • /| x-y+3 = 0| 5*x+y+3 = 0
  • We try to solve the equation: x-y+3 = 0
  • x-y+3 = 0 // - x+3
  • -y = -(x+3) // * -1
  • y = x+3
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 5*x+x+3+3 = 0| y = x+3
  • 6*x+6 = 0 // - 6
  • 6*x = -6 // : 6
  • x = -6/6
  • x = -1
  • We insert the solution into one of the initial equations of our system of equations
  • For y = x+3: 
  • y = 3-1
  • y = 2
  • We get a system of equations:
  • /| y = 2| x = -1

 

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