The length of the room is 156 sq in
7y! they are like terms :p
The answer is b because if you multiply 3 with m you get 3m and since -2 is a negative when you multiply it, it becomes -6
Answer:
It isn't?
Step-by-step explanation:
Step 1:
x + 8y = 21
x + 8y - 8y = 21 - 8y
x = -8y + 21
Step 2:
(-8y + 21) + 8y = 21
-8y + 21 + 8y = 21
21 = 21
7 i believeeeeeeeeeeeeeeeeeeeeeeeeeeeee