y=-2x+1;y=-2x-3

Simple and best practice solution for y=-2x+1;y=-2x-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 y=-2x+1;y=-2x-3 system of equations: 


  • /| y-(-2*x)-1 = 0| y-(-2*x)+3 = 0
  • We try to solve the equation: y-(-2*x)-1 = 0
  • 2*x+y-1 = 0 // - 2*x-1
  • y = -(2*x-1)
  • y = 1-(2*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 1-(-2*x)-(2*x)+3 = 0| y = 1-(2*x)
  • 4 = 0
  • x belongs to the empty set
  • The system of equations does not have any solution

 

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