Answer:
R = y
Step-by-step explanation:
R = 5z-------eqn1
15z =3y------eqn 2
from eqn 2
15z = 3y
z = 3y ÷ 15
z = 3y/15
From eqn 1
R = 5 × [tex]\frac{3y}{15}[/tex] (divide 15 by 5)
R = 3y/3 (Divide both numbers by 3)
