y=5x-8;y=4x-7

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2x+y=8
x+3y=14

Solution for y=5x-8;y=4x-7 system of equations:


  • /| y-(5*x)+8 = 0| y-(4*x)+7 = 0
  • We try to solve the equation: y-(5*x)+8 = 0
  • y-5*x+8 = 0 / - 8-5*x
  • y = -(8-5*x)
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 7-(4*x)-(-5*x)-8 = 0| y = -(8-5*x)
  • x-1 = 0 / + 1
  • x = 1
  • We insert the solution into one of the initial equations of our system of equations
  • For y = -(8-5*x):
  • y = -(8-5*1)
  • y = -(8-5)
  • y = -3
  • We get a system of equations:
  • /| y = -3| x = 1

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