Let x be the number of berries Steve started with. x + 4 = 32 - 7. x + 4 = 25. x = 21 berries.is the reasoning for what question and answer pair?
Q: Stacy has 32 berries. Steve takes 4 of Stacy's berries, and still has 7 less berries than Stacy started with. How many berries did Steve start with?
A: 21