Respuesta :
Answer:
x=4
Step-by-step explanation:
5x - 20 = 0
Add 20 to each side
5x = 20
Divide by 5
5x/5 = 20/5
x =4
The zero is when x = 4
Answer:
a) 4
Step-by-step explanation:
To find the zero of 5x - 20 = 0, find the value of x.
5x - 20 = 0
Add 20 to both sides.
5x - 20 + 20 = 0 + 20
5x = 20
Divide both sides by 5.
(5x)/5 = 20/5
x = 4
The zero of 5x - 20 = 0 is 4.