Question

if we add 9 to twice of a whole number then the result gives 31 then what is the whole number​

Answer 1

Answer:

Let, the number be "X"

twice the number=2x

Given, a number=9

Sum of the number=31

A.T.Q

2x+9=31

2x=31-9

2x=22

x=11

Answer 2

Answer:

11

Step-by-step explanation:

2x +9 =31

2x= 31-9

2x=22

x= 22/2

x=11