2(5)+3y=9;2x+3(3)=9

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

Solution for 2(5)+3y=9;2x+3(3)=9 system of equations: 


  • /| 3*y+2*5-9 = 0| 2*x+3*3-9 = 0
  • We try to solve the equation: 3*y+2*5-9 = 0
  • 3*y+1 = 0 // - 1
  • 3*y = -1 // : 3
  • y = -1/3
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 2*x+3*3-9 = 0| y = -1/3
  • 2*x = 0 // : 2
  • x = 0
  • We insert the solution into one of the initial equations of our system of equations
  • For y = -1/3: 
  • y = -1/3
  • We get a system of equations:
  • /| y = -1/3| x = 0

 

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