Question

What must be added to 5p*q*-3pq+7 to get -p*q*+9

Answer 1

Answer:

-6p*q*+3pq+2

Step-by-step explanation:

let the number be x

5p*q*-3pq+7 + x = -p*q*+9

x = -p*q*+9 -5p*q*+3pq-7

x = -6p*q*+3pq+2