christopherjackson5
christopherjackson5 christopherjackson5
  • 26-11-2019
  • Mathematics
contestada

Solving With Substitution (For 10 Points!!):
x + 2y = 6
3x- 4y = 28

Respuesta :

Respect3105
Respect3105 Respect3105
  • 26-11-2019

Answer:

[tex]x + 2y = 6 \\ 3x - 4y = 28 \\ \\ x = 6 - 2y \\ \\ 3(6 - 2y) - 4y = 28 \\ 18 - 6y - 4y = 28 \\ - 10y = 10 \\ y = - 1 \\ \\ x = 6 - 2( - 1) \\ x = 8[/tex]

Answer:(8; -1)

Answer Link
evah09
evah09 evah09
  • 26-11-2019
Your answer will be approximately 8 for the first one and -1 for the second
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