Question

the sum of three times a number and 15 is 42.find the number​

Answer 1

Answer:

the number is 9.

Explanation:

if we let the number is x

then,

3x+15=42

3x=42-15

3x=27

x=27/3

x=9

Answer 2

Explanation:

let the no be x

ATQ,

3x+15=42

3x=42-15

x=27/3

x=9