Respuesta :

The answer is r = 27
tinococa6

Answer:

9+r/9

Step-by-step explanation:

[tex]​1+ 9r​[/tex]

To add or subtract expressions, expand them so their denominators are the same. Multiply 1 by 99

[tex]\frac{9}{9} +\frac{r}{9}[/tex]

Since 99​and 9 have the same denominator, add their numerators to add them together.

[tex]\frac{9+r}{9}[/tex]

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