The sum of the digits of a two digit number is 12. If 18 is added to it, the digits are reversed. Find the
number.
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Step-by-step explanation:
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Answered by
0
Answer:
57
Step-by-step explanation:
Let AB
A + B = 12
AB + 12 = BA
AB = 10A + B
BA = 10 + 2B
10A + B + 18 = 10 + 2B
A = 12 - B
10(12 - B) + B + 18 = 10 + 2B
B = 7
A + 7 = 12
A = 5
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