-3x=-36+7y;-3x+2y=-36

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Solution for -3x=-36+7y;-3x+2y=-36 system of equations: 


  • /| 36-3*x-(7*y) = 0| 2*y-3*x+36 = 0
  • We try to solve the equation: 36-3*x-(7*y) = 0
  • 36-3*x-7*y = 0 // - 36-3*x
  • -7*y = -(36-3*x) // : -7
  • y = (-(36-3*x))/(-7)
  • y = (36-3*x)/7
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 2*((36-3*x)/7)-3*x+36 = 0| y = (36-3*x)/7
  • (2*(36-3*x))/7-3*x+36 = 0
  • 72/7-27/7*x+36 = 0
  • 324/7-27/7*x = 0
  • 324/7-27/7*x = 0 // - 324/7
  • -27/7*x = -324/7 // : -27/7
  • x = -324/7/(-27/7)
  • x = 12
  • We insert the solution into one of the initial equations of our system of equations
  • For y = (36-3*x)/7: 
  • y = (36-3*12)/7
  • y = (36-36)/7
  • y = 0/7
  • y = 0
  • We get a system of equations:
  • /| y = 0| x = 12

 

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