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CBSE Class 9 Answered

A number is 36 less than the number obtained by reversing its digits. If its unit’s and ten’s digits are x and y respectively, write the linear equation representing the given information. Also draw the graph of the equation
Asked by Imrantahirshreyas | 14 Jun, 2020, 04:15: PM
answered-by-expert Expert Answer
The original number is 10x+y = xy
After reversing its digits, the resulting number would be 10y+x, which is 36 more than the number 10x+y (Since 10x+y is 36 less than 10y+x).
10y+x = 10x + y +36
9y - 9x = 36
y - x = 4
The graph of which is as follows:
Answered by Renu Varma | 16 Jun, 2020, 10:28: AM

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