Karenkeizer04 Karenkeizer04
  • 23-02-2019
  • Mathematics
contestada

given the system of linear x+4x=11 -5+y=2x

Respuesta :

gmany
gmany gmany
  • 23-02-2019

Answer:

x = 2.2 and y = 9.4 → (2.2, 9.4)

Step-by-step explanation:

[tex](1)\qquad x+4x=11\\(2)\qquad -5+y=2x\\\\(1)\\5x=11\qquad\text{divide both sides by 5}\\\boxed{x=2.2}\\\\\text{Put the value of x to (2):}\\-5+y=2(2.2)\\-5+y=4.4\qquad\text{add 5 to both sides}\\\boxed{y=9.4}[/tex]

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