A two digit number is 3 more than 4 time the sum of its digits. if 18 is added to the number, the digits are reversed. find the number.
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A two digit number is 3 more than 4 time the sum of its digits. if 18 is added to the number, the digits are reversed. find the number.
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Answer:
let two digit number is xy
original number =10x+y
reversing number=10y+x
ATQ
=10x+y=4(x+y)+3
6x-3y=3
2x-y=1....(1)
now
=10x+y+18=10y+x
9x-9y=-18
x-y=-2......(2)
by (1)(2)
x=3,y=2
number is 32 or23
Answer:
HEY
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