y=7x-1;y-7x=8

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

Solution for y=7x-1;y-7x=8 system of equations: 


  • /| y-(7*x)+1 = 0| y-(7*x)-8 = 0
  • We try to solve the equation: y-(7*x)+1 = 0
  • y-7*x+1 = 0 // - 1-7*x
  • y = -(1-7*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| -(7*x)-(-7*x)-8-1 = 0| y = -(1-7*x)
  • -9 = 0
  • x belongs to the empty set
  • The system of equations does not have any solution

 

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