7x-7y=4;35x-35y=8

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Remember to put linear equations with variables x and y.
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2x+y=8
x+3y=14

Solution for 7x-7y=4;35x-35y=8 system of equations: 


  • /| 7*x-(7*y)-4 = 0| 35*x-(35*y)-8 = 0
  • We try to solve the equation: 7*x-(7*y)-4 = 0
  • 7*x-7*y-4 = 0 // - 7*x-4
  • -7*y = -(7*x-4) // : -7
  • y = (-(7*x-4))/(-7)
  • y = (4-(7*x))/(-7)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 35*x-(35*((4-(7*x))/(-7)))-8 = 0| y = (4-(7*x))/(-7)
  • (-1*35*(4-7*x))/(-7)+35*x-8 = 0
  • 20-8 = 0
  • 12 = 0
  • 12 = 0
  • x belongs to the empty set
  • The system of equations does not have any solution

 

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