allegany math
posted by Anonymous .
5s+2=s+8

Start with this solution and check it.
5s+2=s+8
4s=6
s=3/2
checking it: abs(5*3/2+2)=abs(3/2+8)
abs(7.5+2)=abs(9.5) checks ok
Now check this solution:
5s2=s+8
4s=10
s=5/2
checking: abs(25/2 +2)=abs(5/2 +8)
abs(21/2)=abs(11/2) does not check