Answer:
p = (8r-5)/(r-3)
Step-by-step explanation:
rp + 5 = 3p + 8r
Subtract 3p from each side
rp-3p + 5 = 3p-3p + 8r
rp -3p +5 = 8r
subtract 5 from each side
rp -3p +5-5 = 8r -5
rp -3p = 8r -5
Factor out p
p(r-3) = 8r -5
Divide each side by (r-3)
p ( r-3) /(r-3) = (8r-5)/(r-3)
p = (8r-5)/(r-3)