Which statement is true about the equation 4/5z - 1/4z + 4 = 3/5z + 6?

Answer:
One solution.
Step-by-step explanation:
4/5z - 1/4z + 4 = 3/5z + 6
4/5z - 1/4z - 3/5z = 6 - 4
-1/20 z = 2
z = 2 * -20
z = -40.