4.5 is the answer (which may be $4.50 since we are speaking in terms of money)
Answer:
Step-by-step explanation:
Answer:
7 + x + 4y
(7 + x) + 4y
x + (7 + 4y)
Step-by-step explanation:
the sum of elements does not change, no matter the order.
Answer:
C.
Step-by-step explanation:
The answer is C
-18 + x = -11
Let's add 18 to both sides
x = 7