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The one digit of a two digit number is one less than the tens digit. One-half the sum of the ones digit and double the tens digit is 13. Find the number and show your work.

The one digit of a two digit number is one less than the tens digit. One-half the sum of the ones digit and double the tens digit is 13. Find the number and show your work.
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5 votes
the one digit of a two digit number is one less than the tens digit. One-half the sum of the ones digit and double the tens digit is 13. Find the number and show your work.

asked
User Mark Danese
by
8.1k points

1 Answer

2 votes
One digits is y & ten's is X
according to question x-y=1 or x=1+y
1/2 (y+2×)=13
y=8 &x= 9
number is 98
answered
User Monamona
by
7.7k points
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