SOLUTION: The sum of a 2-digit number is 12. The difference of the digit is 2. find the number if the units digit is larger than the ten digit. What is the equation i should use?
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Question 599025: The sum of a 2-digit number is 12. The difference of the digit is 2. find the number if the units digit is larger than the ten digit. What is the equation i should use?
Answer by flame8855(424) (Show Source): You can put this solution on YOUR website!
let x be the larger number ( ones)
Let y be the smaller number (tens)
x+y = 12
x-y= 2
solve the two equations
x = 7 , y = 4
the number is 47
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