Homework 10 - Basic Algebra

33 Questions | Total Attempts: 69

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Homework 10 - Basic Algebra

Simplifying expressions. Substitution. INSTRUCTION: For your answer to be valid, do not use spaces and write the letters in your expressions in alphabetical order. ie, Simplify: 2a + 3b + 5a + 2b Enter the answer: 7a+5b


Questions and Answers
  • 1. 
    Simplify: 4x + y + 3x
  • 2. 
    Simplify : 8x -y +2y
  • 3. 
    Simplify : x -3y +2x
  • 4. 
    Simplify : x -4y +6z -5x -6x +y
  • 5. 
    Simplify : 6x +y -4x -y +2x
  • 6. 
    Simplify : 9x -4y +2x -6y
  • 7. 
    Simplify : x +y -x -y
  • 8. 
    Simplify : 9x +6y -z -4y +2z
  • 9. 
    Simplify: 3a+b+3a+2b
  • 10. 
    Simplify : 5d +4e -2d +e +d
  • 11. 
    Simplify : 4f +5g +6f -7g +f
  • 12. 
    Simplify : 4h -i +3h -5i +h
  • 13. 
    Simplify : 3j +5k +k -5k -k
  • 14. 
    Simplify : 6l +4m -5l -4m -l -m
  • 15. 
    Simplify :
  • 16. 
    Simplify :
    • A. 

      2a+5b

    • B. 

      A5ab

    • C. 

      5ab

    • D. 

      5a²b

  • 17. 
    Simplify :
  • 18. 
    Evaluate the expression  when ("evaluate" means "find the value of": your answer should be a number)
  • 19. 
    Evaluate 5-x when x = 3
  • 20. 
  • 21. 
  • 22. 
  • 23. 
  • 24. 
    Evaluate 3a+8 when a = -2
  • 25. 
    Evaluate 5a - 1  when  a = -3
  • 26. 
    Evaluate 10 - a  when  a = - 4
  • 27. 
  • 28. 
    Evaluate 4a + b when a=2 and b=3 
  • 29. 
  • 30. 
    Evaluate 2b - a  when a = -2 and b = 3
  • 31. 
    (give your answer as a decimal number)
  • 32. 
  • 33. 
    .Give your answer as a decimal number.