Question

if we add 9 to twice a whole number,then the result is 31,find whole number
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Answer 1

Answer

Let the number be x

Twice the whole number =2x

Nine is added to the whole number =2x+9 result =31

A/Q

2x+9=31

2x=31-9

2x =22

x =22/2=11

so x = 11