Explanation:
Answer:
10 is the answer
Explanation:
In this question we are given value of n as 7 and an expression that is 5 ( n - 5 ) .
And we are asked to evaluate the expression .
SOLUTION : -
Expression :

We are substituting value of n as 7 :

Solving parenthesis that is subtracting 5 from 7 :

Now we are multiplying 5 with 2 and We get :

Henceforth , value of expression when n is equal to 7 is 10