Question 13
For positive integers $p$ and $q$, define
$$p*q=2p+2q-pq.$$
If $8*x=4$, what is $x$?
$$p*q=2p+2q-pq.$$
If $8*x=4$, what is $x$?
AMC8 2027 - Self-practice Set 5 Question 13
AMC8 · AMC8 2027 - Self-practice Set 5
AMC8 · AMC8 2027 - Self-practice Set 5