Question

Answer???????.......​

Answer 1

Let the ones's digit =x.

So, sum of the digits =7

Tens's digit =7−x

Original no. =10(7−x)+x=70−10x+x=70−9x

Reversed no. =10x+7−x=9x+7

ATQ

9x+7= 4( 70−9x)-3

or 9x+7= 280-36x-3= 277-36x

or 9x+36x= 277-7

or 45x= 270

or x= 270/45

or x= 6

Therefore one's digit= 6

Therefore one's digit= 6 tens's digit=7-6=1

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