Question

a unit digit of of a two digit number is 3 and seven times the sum of the digit is the number itself find
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Answer 1

Answer:

Seven times the sum of the digits is the number itself. So, the given number is 63.

Step-by-step explanation:

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Answer 2

Answer:

Let the tens place be X .

the units place digits is 3 .

therefore - > Number = ( 10x + 3 )

Given

7 ( x + 3 ) = ( 10x + 3 )

7 x + 21 = 10x + 3

Therefore - > 10x - 7x = 21 - 3

= > 3 x = 18

or x = 6

using x = 6 in equation ( 1 ) ..

The number is 63 .

Step-by-step explanation: