Answer:
Step-by-step explanation:
30% off of $18.00
so that makes the price $12.60
For this case we must algebraically rewrite the given expression. So:
x: It is the variable that represents an unknown number
"double a number" is represented as: 
"6 less than double a number" is represented as: 
So, the final expression is: 
If we want to rewrite the expression in an equivalent way, we take common factor 2:

Asnwer:

Equivalent expression: 
Answer:
One, two, six, four, twelve are some greatest common factors.
Step-by-step explanation: