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SAT Mathematics QUESTION #5387
Question 1
If $14x + 14 = 28$, what is the value of $7x + 7$?
  • $14$✔️
  • $21$
  • $42$
  • $56$
Correct Answer Explanation
Notice that $7x + 7$ is exactly half of $14x + 14$. If $14x + 14 = 28$, then $7x + 7 = \frac{28}{2} = 14$.