SOLUTION: Two numbers have a sum of 28. One number is 4 more than the other. Find the numbers.

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: Two numbers have a sum of 28. One number is 4 more than the other. Find the numbers.      Log On


   

Question 906804: Two numbers have a sum of 28. One number is 4 more than the other. Find the numbers.
Answer by JulietG(1812) About Me  (Show Source):
You can put this solution on YOUR website!
a+b=28
a=b+4
Take the known value of a from the second equation and put it into the first.
a+b=28
(b+4)+b=28
2b+4=28
Subtract 4 from each side
2b = 24
Divide each side by 2
b = 12
If b is 12, then a is 12+4, or 16