21x-9+63=180
21x+54=180
21x=126
x=6
Answer: The list price was $1815.00.
Step-by-step explanation: Given that the discount on a LCD TV is $240 and the sale price is $1575.00.
We are to find the list price.
The discount is given on the price that is listen on the LCD TV.
So, the list price will be equal to the sum of the sale price and the discount price.
Therefore, the required list price of the LCD TV is given by

Thus, the list price was $1815.00.
Answer:
270.63
Step-by-step explanation:
hope you get it right
Solve the equation and it will add up to -6 so
3×-7=-21
-21-10=-31
-31+25=-6
1. -56
2. say you owe someone 84$, so that's 84$ you don't have, then you give that person 28$. now you only owe them 56$.