x+7y=0;2x8y=12

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

Solution for x+7y=0;2x8y=12 system of equations: 


  • /| x+7*y = 0| 2*x^8*y-12 = 0
  • We try to solve the equation: x+7*y = 0
  • x+7*y = 0 // - x
  • 7*y = -x // : 7
  • y = -x/7
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 2*(-x/7)*x^8-12 = 0| y = -x/7
  • -2/7*x^9 = 12 // : -2/7
  • x^9 = -42
  • x^9 = -42 // ^ 1/9
  • x = -42^(1/9)
  • We insert the solution into one of the initial equations of our system of equations
  • For y = -x/7: 
  • y = (42^(1/9))/7
  • We get a system of equations:
  • /| y = (42^(1/9))/7| x = -42^(1/9)

 

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