Plz help ASAP I will mark u branliest!!

Answer:
1. p=4
3. n=2
Step-by-step explanation:
1. 4x+3=11
4x+3=11 subtract 3 on both sides
4x=8 divide by 4 on both sides
x=2
3.2+5n=12
2+5n=12 subtract 2 on both sides
5n=10 divide by 5 on both sides
n=2