
1. 
EASY

\(r = 7\)
What is the value of \(r\)?

2. 
EASY

\(r = 5 + 10\)
What is the value of \(r\)?

3. 
MEDIUM

\(n = 22  7\)
What is the value of \(n\)?

4. 
MEDIUM

\(z  14 + 3z = 2\)
What is the value of \(4z\)?

5. 
MEDIUM

\(c = 21 + 90\)
What is the value of \(c\)?

6. 
MEDIUM

\(5t = 3t + 12\)
What is the value of \(t\)?

7. 
HARD

\(x + 7 = 10\)
What is the value of \(x\)?

8. 
HARD

\(c  12 = 2c  44 \)
What is the value of \(c\)?

9. 
HARD

\(x + 44 = 3x + 14\)
What is the value \(x\)?

10. 
HARD

\(y = x + 2\) and \(x = 2\)
What is the value of \(y\)?

