alveenas7905 alveenas7905
  • 20-04-2021
  • Mathematics
contestada

Solve Systems of Equations Algebraically.
y=x-8
y=5x

Respuesta :

jimrgrant1 jimrgrant1
  • 20-04-2021

Answer:

(- 2, - 10 )

Step-by-step explanation:

Given the 2 equations

y = x - 8 → (1)

y = 5x → (2)

Substitute y = 5x into (1)

5x = x - 8 ( subtract x from both sides )

4x = - 8 ( divide both sides by 4 )

x = - 2

Substitute x = - 2 into either of the 2 equations for y

Substituting into (1)

y = - 2 - 8 = - 10

solution is (- 2, - 10 )

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