abiska
abiska abiska
  • 24-08-2021
  • Mathematics
contestada

If x = 2y then solve 5y-x in terms of y find the values of these expressions when y =2​

Respuesta :

Аноним Аноним
  • 24-08-2021

Answer:

It is 6

Step-by-step explanation:

[tex]5y - x[/tex]

substitute x with 2y :

[tex] = 5y - (2y) \\ = 5y - 2y[/tex]

factorise out y :

[tex] = (5 - 2)y \\ = 3y[/tex]

when y is 2 :

[tex] = 3(2) \\ = 6[/tex]

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smithkekoal970
smithkekoal970 smithkekoal970
  • 24-08-2021

Answer:

6

Step-by-step explanation:

x= 2y

y=2

5y - x

5y - 2y

5(2) - 2(2)

10 - 4

6

brainliest is appreciated

Answer Link

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