Question

if on adding 9 to Twice a whole number gives 31 then the whole number is
A. 21
B. 16
C. 11
D. 7
​

Answer 1

Answer:

It's option C mark me brainliest

Answer 2

Answer:

2x + 9 = 31

2x = 31-9

2x = 22

x = 22/2

x = 11 (option C)