Question

Q.21: Solve the equation 3 (n - 5) = 21​

Answer 1

Step-by-step explanation:

3(n-5) =21

Or 3n = 21-15 = 6

Or n = 6/3 = 2 Ans

Answer 2

Answer:

Here your Answer.

Step-by-step explanation:

soluation

$3(n-5)=21\\or, 3n-15=21\\or, 3n=21+15\\or,3n=36\\or,n=\frac{36}{3}\\or,n=12$

∴ The value of n is 12 .