140,330 views
10 votes
10 votes
If you multiply a number by 3 and then subtract 5, you will get 40. What is the number?

User Leyla Azari
by
3.0k points

2 Answers

11 votes
11 votes

Answer:

x = 15

Explanation:

let the mystery number be x

40 = 3x-5

add 5 to each side

45 = 3x

divide each side by 3

15 = x

User Genoveva
by
3.2k points
23 votes
23 votes

Answer: 15

Explanation:

Add 5 to 40, you get 45, then divide 45 by 3, you get a result of 15

User Kevin Russell
by
2.7k points