SAT Math Question of the Day

Math Category: Algebra:

Q: If 7x + 3 = 3x + 7, then x =

  1. -2
  2. -1
  3. 0
  4. 1
  5. 2

UNANSWERED.

The correct answer is D.

A: The answer is 1.

7x + 3 = 3x + 7
4x + 3 = 7
4x = 4
x = 1