Answer:
n=4p
Step-by-step explanation:
1. group like terms: -7p+5n+3n=25p
2. add similar elements, 5n +3n = 8n --> -7p+8n=25p
3. add 7p to both sides: -7p+8n+7p=25p+7p
4. simplify : 8n=32p
5. divide both sides by 8: [tex]\frac{8n}{8}=\frac{32p}{8}[/tex]
6. evaluate: n=4p
