SOLUTION: The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 7. How do you solve this?
Algebra.Com
Question 284628: The units digit of a two digit number exceeds twice the tens digit by 1. Find the number if the sum of its digits is 7. How do you solve this?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
a+b=7
b=7-a
b=2*a+1
7-a=2a+1
6-a=2a
6=3a
2=a
b=5
the number is 25
RELATED QUESTIONS
the units digit of a two digit number exceeds twice the tens digit by 1. find the number (answered by drk)
the units digit of a two digit number exceeds twice the tens digit by 1, the sum of its... (answered by mananth)
The unit digit of a two-digit number exceeds twice the tens digit by 1. Find the number... (answered by drk)
the units digit of a two digit number exceeds twice the tens digit by one. the sum of its (answered by KMST)
The tens digit of a two-digit number exceeds twice its units digit by 1. If the digits... (answered by josgarithmetic)
The tens digit of a two-digit number exceeds twice its units digit by 1. If the digits... (answered by vleith)
A two digit number the sum of its two digits is three times of its units digit and its... (answered by Theo)
The untis digit of a two-digit number exceeds twice the tens digit by 1. Find the number... (answered by richard1234)
A two-digit number exceeds twice the sum of its digits by 7. Find the number if its tens (answered by stanbon)