Question

Nine added to thirce a whole number gives45​

Answer 1

Answer:

12

Step-by-step explanation:

9 + 3x = 45

3x = 45 - 9

3x = 36

x = 36/3

x = 12

Answer 2

Answer:

let a whole num=x

its thrice =3×x = 3x

now nine added =9+3x= 45

3x=45-9

3x= 36

x =36/3

x=12