Question

3 added to 5 times a number and the result is multiplied by 4. The final result is 72. Find the number

Answer 1

Hmm... I would say the equation would look like 3+5x=72/4. 
3+5x=72/4
3+5x=18
5x=18-3
5x=15
x=15/5
x=3

The number is 3