-6x-4y=-64;4x-4y=-36

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for example:
2x+y=8
x+3y=14

Solution for -6x-4y=-64;4x-4y=-36 system of equations: 


  • /| 64-6*x-(4*y) = 0| 4*x-(4*y)+36 = 0
  • We try to solve the equation: 64-6*x-(4*y) = 0
  • 64-6*x-4*y = 0 // - 64-6*x
  • -4*y = -(64-6*x) // : -4
  • y = (-(64-6*x))/(-4)
  • y = (64-6*x)/4
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 4*x-(4*((64-6*x)/4))+36 = 0| y = (64-6*x)/4
  • (-1*4*(64-6*x))/4+4*x+36 = 0
  • 10*x-64+36 = 0
  • 10*x-28 = 0
  • 10*x-28 = 0 // + 28
  • 10*x = 28 // : 10
  • x = 28/10
  • x = 14/5
  • We insert the solution into one of the initial equations of our system of equations
  • For y = (64-6*x)/4: 
  • y = (64-6*14/5)/4
  • y = (64-84/5)/4
  • y = 236/5/4
  • y = 59/5
  • We get a system of equations:
  • /| y = 59/5| x = 14/5

 

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