The digits of a two digit number differ by three. If the digits are interchanged and the resulting number is added to the original number we get 143. What can be the original number?
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The digits of a two digit number differ by three. If the digits are interchanged and the resulting number is added to the original number we get 143. What can be the original number?
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Step-by-step explanation:
let the digits be x and y,
A.T.Q.,
x-y=3...............1
yx+xy =143.....................2
FROM EQ. 1 WE GET,
x=y+3
NOW,PUTTING VALUE OF X IN EQ. 2
y*y+3+y+3*y=143
AND NOW BY SOLVIG YOU WILL GET THE ANSWER