Chapter 3: Addition - Exercises

  1. Add: 4x, 3x, and 8x.
  2. Add: 2a + 3b and 5a - 2b.
  3. Add: x² + 2xy + y² and 3x² - 4xy + 2y².
  4. Add: 7m - 3n, 2m + 5n, and -4m - n.
  5. Find the sum of: a - b, b - c, and c - a.

Answer Key

  1. 15x
  2. 7a + b
  3. 4x² - 2xy + 3y²
  4. 5m + n
  5. 0