Sam5135 Sam5135
  • 21-02-2021
  • Mathematics
contestada

Solving systems of equations using substitution. y=2x+8. y=5-x

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beautifulmind2468
beautifulmind2468 beautifulmind2468
  • 22-02-2021

Answer:

(x, y) = (-1, 6)

Step-by-step explanation:

y = 2x + 8

y = 5 - x

Substituting the second equation into the first equation, we get:

5 - x = 2x + 8

5 = 3x + 8

-3 = 3x

x = -1.

So, y = 5 - (-1).

Simplifying, we get:

y = 6.

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