I hope this helps you
132-x+6x-12=180
5x=60
x=12
6y+18+132-x=180
6y+150-12=180
6y=42
y=7
Niles sailed for 7 hours,because 56:8=7,and Bob the same because 84:12=7
3(x+5)=39
3 * x + 3 * 5 = 39
3x + 15 = 39
3x = 39 - 15
3x= 24
x = 8
Answer:

Step-by-step explanation:
If you "open up" the parentheses, you would get:

Which, if you combine like terms, is:

Hope this helps :)
Answer:
Original = $200
Step-by-step explanation:
Original = x
Final = 172
Percent Decrease = 14%
Original = 100%
Final = 100% - 14%
172 = 86%
Solve:
172/86 * 100 = x
2 * 100 = 200
Original = 200
-Chetan K