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AMC8 2027 - Self-practice Set 4 Question 17

AMC8 · AMC8 2027 - Self-practice Set 4

Question 17

Define $a*b=ab-a-b+2$. Given that $7*y=13$, find $y$.
  1. 3
  2. $\frac32$
  3. 2
  4. $\frac23$
  5. $\frac52$