By Team Aakash Byju's | 18th November 2022
Detailed Explanation
Consider, x is the whole number whose value needs to be found.
Then, the given statement can be written as 3x + 9 = 45
Add and subtract 9 on both sides 3x + 9 - 9 = 45 - 9 => 3x = 36
Divide both sides by 3 to find the value of x.
3x
=> x = 12 So, the whole number is 12.
3
=
36
3