A two – digit number is four times the sum of its digits. If 18 is added to the
number, the digits are revered. Find the reverse number.
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2
Answer:
Step-by-step explanation:
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Answered by
1
Answer:
42
Step-by-step explanation:
10x+y=4(x+y)
6x=3y
2x=y
again, 10x+y+18=10y+x
10x+2x+18=20x+x
x=2 and y=4
therefore 10y+x= 42
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