Apnswer:
p = 1
q = -2
Step-by-step explanation:
5p - 2q = 9 eqn 1
3p + 2q = 7 eqn 2
subtract equation 2 from 1
2p = 2
Substitute for p in equation 1
5(1) - 2q = 9
5 - 2q = 9
-2q = 4
