0.9x-1.5y=2.4;0.6x-y=1.6

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Solution for 0.9x-1.5y=2.4;0.6x-y=1.6 system of equations: 


  • /| 0.9*x-(1.5*y)-2.4 = 0| 0.6*x-y-1.6 = 0
  • We try to solve the equation: 0.9*x-(1.5*y)-2.4 = 0
  • 0.9*x-1.5*y-2.4 = 0 // - 0.9*x-2.4
  • -1.5*y = -(0.9*x-2.4) // : -1.5
  • y = (-(0.9*x-2.4))/(-1.5)
  • y = -0.66666667*(2.4-(0.9*x))
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 0.6*x-(-0.66666667*(2.4-(0.9*x)))-1.6 = 0| y = -0.66666667*(2.4-(0.9*x))
  • 0.6*x-1*(-0.66666667)*(2.4-0.9*x)-1.6 = 0
  • 1.600000008-0.000000003*x-1.6 = 0
  • 0.000000008-0.000000003*x = 0
  • 0.000000008-0.000000003*x = 0 // - 0.000000008
  • -0.000000003*x = -0.000000008 // : -0.000000003
  • x = -0.000000008/(-0.000000003)
  • x = 2.66666667
  • We insert the solution into one of the initial equations of our system of equations
  • For y = -0.66666667*(2.4-(0.9*x)): 
  • y = -0.66666667*(2.4-(0.9*2.66666667))
  • y = -0.66666667*(2.4-2.400000003)
  • y = -0.66666667*(-0.000000003)
  • y = 0.000000003*0.66666667
  • y = 0.00000000200000001
  • We get a system of equations:
  • /| y = 0.00000000200000001| x = 2.66666667

 

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