-9x+7y=-2;5x+6y=11

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Solution for -9x+7y=-2;5x+6y=11 system of equations: 


  • /| 7*y-9*x+2 = 0| 5*x+6*y-11 = 0
  • We try to solve the equation: 7*y-9*x+2 = 0
  • 7*y-9*x+2 = 0 // - 2-9*x
  • 7*y = -(2-9*x) // : 7
  • y = (-(2-9*x))/7
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 6*((-(2-9*x))/7)+5*x-11 = 0| y = (-(2-9*x))/7
  • (6*(9*x-2))/7+5*x-11 = 0
  • 89/7*x-11-12/7 = 0
  • 89/7*x-89/7 = 0
  • 89/7*x-89/7 = 0 // + 89/7
  • 89/7*x = 89/7 // : 89/7
  • x = 89/7/89/7
  • x = 1
  • We insert the solution into one of the initial equations of our system of equations
  • For y = (-(2-9*x))/7: 
  • y = (-(2-9*1))/7
  • y = (-(2-9))/7
  • y = 7/7
  • y = 1
  • We get a system of equations:
  • /| y = 1| x = 1

 

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