Question

How many solutions can be found for the equation 4x = 4x?

Zero
One
Two
Infinitely many

Answer 1

hint:
the left side is identical to the right side for every value of x

Answer 2

so zero

Answer 3

if we replace x with 1 we have:
4*1=4*1
4=4

Answer 4

if we replace x with 2, we have:
4*2=4*2
8=8

Answer 5

and so on...

Answer 6

oh ok its D

Answer 7

that's right!