SOLUTION: A certain two digit number is 4 more than 10 times the tens digit. The original number is 12 less than twice the number with the digits reversed. Find the original number.
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Question 1017985: A certain two digit number is 4 more than 10 times the tens digit. The original number is 12 less than twice the number with the digits reversed. Find the original number.
Answer by JoelSchwartz(130) (Show Source): You can put this solution on YOUR website!
x=units digit
y=tens digit
10y+x=4+10y
x=4
10y+4=2(10x+y)-12
10y+4=20x+2y-12
8y+4=20x-12
8y+4=80-12
8y=68-4
8y=64
y=8
The orginal number is 84
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