Math, asked by aryankumar56, 14 days ago

show the solution of 21×+15=0 is not possible in integer​

Answers

Answered by Himanshu8715
1

Given that,

21x + 15 = 0

Or, 21x = -15

Or, x = -15/21 = -5/7 = 0.71

But, 0.71 is not an integer.

(Decimal numbers are not included in integers)

Hence, proved

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