SOLUTION: A three-digit number has a tens digit 2 greater than the units digit and hundreds digit 1 greater than the tens digit. the sum of the tens and hundreds digit is three times the one

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Question 1088316: A three-digit number has a tens digit 2 greater than the units digit and hundreds digit 1 greater than the tens digit. the sum of the tens and hundreds digit is three times the one digit. What is the number?
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Your number is ABC where each letter is a digit from 0-9.
B=2%2BC
A=1%2BB
A%2BB=3C
Substituting,
%281%2BB%29%2BB=3%28B-2%29
2B%2B1=3B-6
-B=-7
B=7
Now use the other equations to solve for A and C.