Answer:
The answer is 7x+21
Step-by-step explanation:
You just multiply 7 by both x and 3 but keep them separate
Cole's error was that he did not round to the nearest ten thousand, he was supposed to write 20,000.
Answer:
22 miles
Step-by-step explanation: I know what you are talking about because I've had this assignment but it would be better to put a map or picture for people.
Answer:
y = 3
x = -4
Step-by-step explanation:
Hopefully the first equation is x + 3y = 5
x = 5 - 3y
Plug in:
-2(5 - 3y) + 2y = 14
-10 + 6y + 2y = 14
8y = 24
y = 3
x = -4
Answer:
9x + 14
Step-by-step explanation:
You need to add like terms. Add your x's together and your constants together:
5x + 4x + 6 + 8
9x + 14
