HermelindaDillon
HermelindaDillon HermelindaDillon
  • 13-07-2015
  • Mathematics
contestada

What is the solution of the system of equations? y = –3x + 8 y = –5x – 2

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Julik
Julik Julik
  • 13-07-2015
[tex]y=-3x+8 \\ y=-5x-2 \\ \\ -3x+8=-5x-2 \\ -3x+5x=-2-8 \\ 2x=-10 \\ x=- \frac{10}{2} \\ x=-5 \\ y=-3(-5)+8=15+8=23 \\ \\ \boxed{-5,23} [/tex]
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dln
dln dln
  • 13-07-2015
[tex]y=-3x+8 \\ y=-5x-2 \\ \\ -3x+8=-5x-2 \\ 2x=-10 \\ x= \frac{-10}{2} \\ x=-5 \\ \\ y=-3(-5)+8 \\ y=15+8 \\ y=23\\ \\ \boxed{(-5,23)}[/tex]
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