Respuesta :

Answer:

[tex]$19=r$[/tex]

Step-by-step explanation:

[tex]$19-17r=-16r$[/tex]

Add 17r to both sides:

[tex]$19-17r+17r=-16r+17r$[/tex]

[tex]$19=-16r+17r$[/tex]

[tex]$19=r$[/tex]