Question

a number consists of two digit of which tense exceeds the unit digit by 7 and the number itself is equal to the sum of its digit the number is​

Answer 1

Answer:

Step-by-step explanation:

let 1' digit=x

then 10' digit=x+7

so number=10(x+7)+x

as per question

number=x+x+7

10(x+7)+x=2x+7

10x+70+x=2x+7

9x=-63

x=-7

10's digit=-7+7=0

so 10's digit is 0 so number is only one digit and 2 digit no is not possible