Answer:
-3+13x=9.
13x=9+3
13x=12
x=12/13
i proved it by putting value of x in reactant side you get product .
-3+13×12/13=9
Left side
Radius - 17 cm
Diameter - 24 cm
Right side
Radius - 25 mm
Diameter - 50 mm
the answer is 135 pounds
