Question

For what values (cases) of the variables the expression does not exist: a/2x−4 (That equation is a fraction)

Answer 1

Answer:

When x=2 the expression is undefined

Step-by-step explanation:

When the denominator is zero, the expression is undefined

2x-4 =0

2x=4

x=4/2

x=2

When x=2 the expression is undefined