5x=22-y;7x=35+2y

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Solution for 5x=22-y;7x=35+2y system of equations:


  • /| 5*x+y-22 = 0| 7*x-(2*y)-35 = 0
  • We try to solve the equation: 5*x+y-22 = 0
  • 5*x+y-22 = 0 / - 5*x-22
  • y = -(5*x-22)
  • y = 22-(5*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 7*x-(2*(22-(5*x)))-35 = 0| y = 22-(5*x)
  • 7*x-1*2*(22-5*x)-35 = 0
  • 17*x-44-35 = 0
  • 17*x-79 = 0
  • 17*x-79 = 0 / + 79
  • 17*x = 79 / : 17
  • x = 79/17
  • We insert the solution into one of the initial equations of our system of equations
  • For y = 22-(5*x):
  • y = 22-(5*(79/17))
  • y = 22-(79/17*5)
  • y = 22-395/17
  • y = -21/17
  • We get a system of equations:
  • /| y = -21/17| x = 79/17

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