The sum of three numbers is 120. The second of the numbers is eight less than the first, and the third is 4 more than the first. What is the 1st number?
If x is the first, than
x + x-8 + x+4 = 120
Now finish it off.
I suspect a typo.
x + x-8 + x+4 = 120
Now finish it off.
I suspect a typo.