SAT Math Question of the Day

Math Category: Algebra:

Q: If 2x + 6 = 3x + 9, then x =

  1. -3
  2. -1
  3. 1
  4. 3
  5. 5

UNANSWERED.

The correct answer is A.

A: The answer is -3.

2x + 6 = 3x + 9
6 = x + 9
-3 = x