AthenaSinclair AthenaSinclair
  • 23-03-2018
  • Mathematics
contestada

x =

a) 20
b) 40
c) 80

x a 20 b 40 c 80 class=

Respuesta :

Аноним Аноним
  • 23-03-2018
[tex]x = \frac{1}{2} (x + 60 - 20)[/tex]

[tex]x = \frac{1}{2} (x + 40)[/tex]

[tex]x = \frac{1}{2}x + 20[/tex]

[tex]x - \frac{1}{2}x = 20[/tex]

[tex] \frac{1}{2}x = 20[/tex]

[tex]x = 20 \times 2[/tex]

[tex]x = 40[/tex]
Answer Link
fishtank
fishtank fishtank
  • 13-09-2018

The answer is b) 40

Have a great day!

-Fishtank

Answer Link

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