Question

please help to solve me these me this ans​

Answer 1

Step-by-step explanation:

3(3n-10)=2n+5

9n-30-2n-5=0

7n-35=0

n=5 OK friend

Answer 2

Answer:

this is your test paper brainly is not an app for cheating dont try to cheat study and do yourself and if your are having any doubt before exam or while than you can only ask take care in future ok.

haven't you studied as you are asking every question