angel301254
angel301254 angel301254
  • 21-08-2020
  • Mathematics
contestada

someone solve this ?

someone solve this class=

Respuesta :

zarampa
zarampa zarampa
  • 21-08-2020

Answer:

x = 6

Step-by-step explanation:

[tex]\frac{9+x}{3x} = \frac{5}{6}[/tex]

6(9+x) = 5(3x)

6*9 + 6*x = 5*3x

54 + 6x = 15x

54 = 15x - 6x

54 = 9x

x = 54/9

x = 6

check:

(9+6)/(3*6) = 5/6

15/18 = 5/6

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