-7+77y=-252;7x+3y=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 -7+77y=-252;7x+3y=12 system of equations: 


  • /| 77*y-7+252 = 0| 7*x+3*y-12 = 0
  • We try to solve the equation: 77*y-7+252 = 0
  • 77*y+245 = 0 // - 245
  • 77*y = -245 // : 77
  • y = -245/77
  • y = -35/11
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 7*x-35/11*3-12 = 0| y = -35/11
  • 7*x-237/11 = 0 // + 237/11
  • 7*x = 237/11 // : 7
  • x = 237/11/7
  • x = 237/77
  • We insert the solution into one of the initial equations of our system of equations
  • For y = -35/11: 
  • y = -35/11
  • We get a system of equations:
  • /| y = -35/11| x = 237/77

 

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