If thrice a number is diminished by 7 the result is 9 more than the nu – InterviewSolution

1.

If thrice a number is diminished by 7 the result is 9 more than the number then what is the number

Answer»

LET the no. be x

3x-7=x+9

3x-x=9+7

2x=16

x=8

So, the no. is 8

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