Answer each question carefully. You can review your selections before submitting. You can also enable a timer to challenge yourself!
Q1:What is (4x - x) - 2x?
Q2:Simplify: 6m - 4m + 3m
Q3:Simplify: a - a
Q4:What is (3a - 2a) - a?
Q5:Evaluate: 10k - (5k - 2k)
Q6:Evaluate: 7a - 3a
Q7:What is the result of: 12n - 4n - 2n?
Q8:Simplify: 3z - (z + z)
Q9:Simplify: 9b - (2b + 3b)
Q10:Evaluate: x - 2x + x
Q11:Simplify: 5y - 2y + y
Q12:Simplify: 4x - 2x