uzziahlombe uzziahlombe
  • 23-07-2021
  • Mathematics
contestada

Given that 3=a+r/a-r,make r the subject of the formula?​

Respuesta :

surjithayer10otahza surjithayer10otahza
  • 23-07-2021

Answer:

Step-by-step explanation:

[tex]3=\frac{a+r}{a-r} \\3a-3r=a+r\\3a-a=r+3r\\4r=2a\\r=\frac{1}{2} a[/tex]

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