Math, asked by dnojendra, 1 month ago

(i) किसी संख्या के तीन गुने और 9 का योग 30 होता iska kathn likheye


Answers

Answered by rakshitsaini18
0

Answer:

No. 3

2nd no. 3x+9

when x-7

3x+9

3×7+9

21+9

30

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