Question

Зr + 12p - 7 - Зр
What is the answer?

Answer 1

9p+3r−7

Explanation:

=3r+12p+−7+−3p

Combine Like Terms:

=3r+12p+−7+−3p

=(12p+−3p)+(3r)+(−7)

=9p+3r+−7