

1. 
Which number is a solution to x + 7 = 16? 


A. 
8 
B. 
10 


C. 
9 
D. 
23 


Hint 


2. 
Solve 3x = 18. 


A. 
15 
B. 
7 


C. 
21 
D. 
6 


Hint 


3. 
The perimeter of a square is 4 times the length of a side. Use the equation P = 4s to find the perimeter of a square whose side has a length of 6 inches. 


A. 
10 in. 
B. 
36 in. 


C. 
24 in. 
D. 
12 in. 


Hint 


4. 
Solve x + 3 = 22. 


A. 
25 
B. 
17 


C. 
23 
D. 
19 


Hint 


5. 
Graph the solution of 18 = on a number line. 


A. 

B. 



C. 

D. 



Hint 


