x-y5;6x+3y-12

Simple and best practice solution for x-y5;6x+3y-12. 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-y5;6x+3y-12 system of equations: 


  • /| x-y-5 = 0| 6*x+3*y+12 = 0
  • We try to solve the equation: x-y-5 = 0
  • x-y-5 = 0 // - x-5
  • -y = -(x-5) // * -1
  • y = x-5
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 3*(x-5)+6*x+12 = 0| y = x-5
  • 3*(x-5)+6*x+12 = 0
  • 9*x-15+12 = 0
  • 9*x-3 = 0
  • 9*x-3 = 0 // + 3
  • 9*x = 3 // : 9
  • x = 3/9
  • x = 1/3
  • We insert the solution into one of the initial equations of our system of equations
  • For y = x-5: 
  • y = 1/3-5
  • y = -14/3
  • We get a system of equations:
  • /| y = -14/3| x = 1/3

 

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