Question

The hanger image below represents a balanced equation.

Answer 1

1/5z = 3/5

1/5 • 1 = 1

z/5 = 3/5

5 • z/5 = 5 • 3/5

z = 5
Though if you only need the equation, do z/5 • 5 = 5 • 3/5 or something along those lines.