could someone help me with this math sentence?

Question

Four times the difference of a number and four is four. Find the number.

the number is...

Answer 1

Let x=the unknown number.

 

Let x-4=the difference between the number and 4.

 

4(x-4)=4

Solve for x 

 

4x-16=4

    +16=+16

 

4x=20

 

x=20/4 or 5

 

x=5