to find the value of n we will solve the equation like this!
$$25 + 2n = 5$$ ( now we'll take 25 to the other side)
$$2n=5-25$$ (now simply just subtract both of them)
$$2n=-20$$ ( now we will take 2 to the other side )
$$n=-20/2$$ ( now deviding thses noth gives us our value of n )
$$n = - 10$$ $$ANSWER$$
So the value of n is -10
hope uve understood mby now but if not then pls be free to ask!
hope this helped!
+11912 
