3x+3y=10;-9x-9y=-30

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Solution for 3x+3y=10;-9x-9y=-30 system of equations:


  • /| 3*x+3*y-10 = 0| 30-9*x-(9*y) = 0
  • We try to solve the equation: 3*x+3*y-10 = 0
  • 3*x+3*y-10 = 0 / - 3*x-10
  • 3*y = -(3*x-10) / : 3
  • y = (-(3*x-10))/3
  • y = (10-(3*x))/3
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 30-(9*((10-(3*x))/3))-9*x = 0| y = (10-(3*x))/3
  • (-1*9*(10-3*x))/3-9*x+30 = 0
  • 30-30 = 0
  • 0 = 0
  • The system of equations has infinitely many solutions

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