Algebra practice question

Answer: 14

2a + 5 = 33 gives 2a = 28, so a = 14.

Common wrong answers

If you answered 19

19 adds 5 before halving.

If you answered 28

28 is 2a.

If you answered 11.5

11.5 solves 2a + 5 + 5 = 33.

More Algebra questions

• Medium
  A system: 2x + y = 11 and x − y = 1. What is the value of x + y?
• Medium
  Which of the following describes all solutions to 4x − 9 ≤ 2x + 5?
• Medium
  A phone's battery percentage is modeled by P = 100 − 8t, where t is the number of hours since it was unplugged…
• Medium
  If y = 2x − 1 and 3x + y = 14, what is the value of x?
• Medium
  If |2x − 3| = 7, what is the sum of all possible values of x?
• Medium
  Line k has equation y = (2/3)x + 1. Which equation represents a line perpendicular to line k?