Math, asked by knowledge3471, 9 months ago

किसी संख्या का दोगुना उस संख्या के 5 गुने से 21 कम है।​

Answers

Answered by rajivrtp
3

Answer:

7

Step-by-step explanation:

let number be x

given

2x= 5x-21

3x=21

x=7

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