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 \(n\)?

  1. 29
  2. 15
  3. 16
  4. 0
  5. 53
 
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 \(x\)?

  1. 3
  2. 17
  3. 0
  4. 10
  5. 12
 
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 \(y\)?