Answer:
8
Step-by-step explanation:

Answer:$5 dollars
Step-by-step explanation:
-18= you owe 18 dollars
18= you earned 18 dollars
0= you owe nothing/you earned nothing
297 I think because 45+21=66, then x9= 594 divided by 2 is 297
Answer:
x = 2
Step-by-step explanation:
2x + 1 = 5
2x = 4
x = 2