Question

the sum of the digit of a two digit number is 12 if the new number formed reversin the digit is greater than the original number by 54 find the original number check your solution

Answer 1

Answer:

Step-by-step explanation:

Sorry my phone memory is low that is y could not send u the pic but,

Tens digit = 3

And

Units digit = 9

Sorry for my in complete and

Answer 2

Let the unit digit be x
Tens digit will be (12-x)
Value of number= 10(12-x) + x
= 120-10x+x
= 120-9x

When the digits are interchanged,
Unit digit= (12-x)
Tens digit= x
Value of number= 12-x+10x
=12+9x

According to your question,

120-9x = 12+9x-54
-18x = -162
x=
$\frac{ - 162}{ - 18}$
=9
So the original number:
unit digit= x=9
tens digit= (12-x) = 12-9 = 3

ORIGINAL NUMBER= 39

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