Question

the solution of 3(n-5)=21 is ​

Answer 1

3(n-5)=21

3n-15=21

3n=21+15

3n=36

n=36/3

n=12

Therefore, your answer is 12

Answer 2

Step-by-step explanation:

Given. 3(n-5)=1.

.Divide by three on both sides we get.

--->3(n-5)/3=21/3.

.--->n-5=7.

.now add 5 by both sides we get.

---->n-5+5=7+5.

.n=12.

.... it is your answer