Respuesta :

Answer:  [tex]r=\frac{s+33}{7}[/tex]

Step-by-step explanation:

s = 7r -33.  add 33 to both sides  +33 -33 =0 ."cancels"

s + 33 = 7r   divide both sides by 7    7r/7   7/7 = 1 'cancels' and leaves r

(s + 33) / 7  = r

[tex]r=\frac{s+33}{7}[/tex]