Two-digit 16413

The sum of the digits of a two-digit number is 8. If we change the order of the digits, a number 36 smaller is the result. Find this number.

Correct answer:

x =  62

Step-by-step explanation:

a+b=8 a 10+b=b 10+a+36  a+b=8 9a9b=36  Pivot:Row1Row2 9a9b=36 a+b=8  Row291 Row1Row2 9a9b=36 2b=4  b=24=2 a=936+9b=936+9 2=6  a=6 b=2  x=a 10+b=6 10+2=62



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