y=2x+144;y=-2x

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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+144;y=-2x system of equations: 


  • /| y-(2*x)-144 = 0| y-(-2*x) = 0
  • We try to solve the equation: y-(2*x)-144 = 0
  • y-2*x-144 = 0 // + -2*x-144
  • y = -(-2*x-144)
  • y = 144-(-2*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 144-(-2*x)-(-2*x) = 0| y = 144-(-2*x)
  • 4*x+144 = 0 // - 144
  • 4*x = -144 // : 4
  • x = -144/4
  • x = -36
  • We insert the solution into one of the initial equations of our system of equations
  • For y = 144-(-2*x): 
  • y = 144-(-36*(-2))
  • y = 144-(2*36)
  • y = 144-72
  • y = 72
  • We get a system of equations:
  • /| y = 72| x = -36

 

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