the product of five times a number and nine the difference of nine times a number and five the sum of five times a number and five the difference of five times a number and nine
Answer:
Five times a number" is written as 5x. This is because the number itself is unknown, so we use a variable.
"Difference" means subtraction; thus "The difference of five times a number and 9" would be 5x-9.
Step-by-step explanation:
