Step-by-step explanation:
-Twice means muliply by 2
-The difference of a number and 7 means subtract a number/variable and 7.
-Is equal to 9 means =9
2(X - 7) = 9
Answer:
6
Step-by-step explanation:
3x6=18
The expression you would need to know how many games Chris sold is:
(504 divided by n) -17
The answer to this question is 49
