Math, asked by harjeetsingh1429, 5 months ago

Twice a number when decreased by 3 gives 21. The number is

Answers

Answered by masumpatel158
1

Step-by-step explanation:

let the number be X

according to question :

number = 2x - 3 = 21

2x = 21- 3

2x = 18

X = 18/2

X = 9 ans

so the number is 9

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