17w-3u=7;w-5u=-16

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Solution for 17w-3u=7;w-5u=-16 system of equations: 


  • /| 17*w-(3*u)-7 = 0| w-(5*u)+16 = 0
  • We try to solve the equation: 17*w-(3*u)-7 = 0
  • 17*w-3*u-7 = 0 // + -3*u-7
  • 17*w = -(-3*u-7) // : 17
  • w = (-(-3*u-7))/17
  • w = (7-(-3*u))/17
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| (7-(-3*u))/17-(5*u)+16 = 0| w = (7-(-3*u))/17
  • (3*u+7)/17-5*u+16 = 0
  • 7/17-82/17*u+16 = 0
  • 279/17-82/17*u = 0
  • 279/17-82/17*u = 0 // - 279/17
  • -82/17*u = -279/17 // : -82/17
  • u = -279/17/(-82/17)
  • u = 279/82
  • We insert the solution into one of the initial equations of our system of equations
  • For w = (7-(-3*u))/17: 
  • w = (7-(-3*279/82))/17
  • w = (7+837/82)/17
  • w = 1411/82/17
  • w = 83/82
  • We get a system of equations:
  • /| w = 83/82| u = 279/82

 

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