Question

pls answer don't give stop it answers​

Answer 1

Step-by-step explanation:

Here is you answer,

$7p + 11 = 9p + 21\\7p - 9p = 21 - 11\\-2p = 10\\p = 10/-2\\p = -5$

To verify,

7p + 11 = -35 + 11 = -24

9p + 21 = -45 + 21 = -24

Since they both are equal the value of p = -5