SOLUTION: The sum of two numbers is 140. One number is five less than four times the other. Find the numbers.

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Question 787678: The sum of two numbers is 140. One number is five less than four times the other. Find the numbers.
Answer by mananth(16946) About Me  (Show Source):
You can put this solution on YOUR website!
let the numbers be x & y

x+y=140.................(1)
x= 4y-5
substitute x in (1)
4y-5+y=140
5y-5=140
5y=140+5
5y=145
/5
y=29
you can find x