-8x-8y=-2;-4x-y=-4

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

Solution for -8x-8y=-2;-4x-y=-4 system of equations: 


  • /| 2-8*x-(8*y) = 0| 4-4*x-y = 0
  • We try to solve the equation: 2-8*x-(8*y) = 0
  • 2-8*x-8*y = 0 // - 2-8*x
  • -8*y = -(2-8*x) // : -8
  • y = (-(2-8*x))/(-8)
  • y = (2-8*x)/8
  • We insert the solution into one of the initial equations of our system of equations
  • We get a system of equations:
  • /| 4-((2-8*x)/8)-4*x = 0| y = (2-8*x)/8
  • (-1*(2-8*x))/8-4*x+4 = 0
  • 4-3*x-1/4 = 0
  • 15/4-3*x = 0
  • 15/4-3*x = 0 // - 15/4
  • -3*x = -15/4 // : -3
  • x = -15/4/(-3)
  • x = 5/4
  • We insert the solution into one of the initial equations of our system of equations
  • For y = (2-8*x)/8: 
  • y = (2-8*5/4)/8
  • y = (2-10)/8
  • y = -8/8
  • y = -1
  • We get a system of equations:
  • /| y = -1| x = 5/4

 

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