How do you translate the following statement "The difference between a number and four is twenty " into an algebraic expression and then find the number?
Difference means subtraction.
'A number' can be represented by a variable. In this case, we'll use
So, our algebraic expression will be:
To solve this we must use algebra.
We must first move the
Lastly, we just have to solve the right-hand side of our equation and we'll have our final answer.