The sum of the digits of a two-digit number is 12. If the digits are interchanged, the number is increased by 36. Find the number

Mrbangybang asked Nov 10, 2022

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29 votes

The sum of the digits of a two-digit

number is 12. If the digits are interchanged,
the number is increased by 36. Find the
number

Mrbangybang asked Nov 10, 2022

2.6k points

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22 votes

Answer:

Explanation:

x+y=12

y=12-x

10y+x =10x+y +36

9y-9x=36

108-9x-9x=36

-18x=-72

x=4

y=8

Jdgregson answered Nov 17, 2022

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