Question

3 times the sum of a number and 5 gives 45. Find the number

10

7

6

9​

Answer 1

Let the number be x.

A/Q,

3(x + 5) = 45

=> 3x + 15 = 45

=> 3x = 45 - 15

=> 3x = 30

=> x = 30 / 3

=> x = 10

Therefore, the number is 10.