Question

2(h-8)-h=h-16

h=8
h=-8
infinitely many solutions
no solution

Answer 1

2h-16-h=h-16
2h-16-h-h=-16
-16=-16
h can be anything

Answer 2

First distribute:

2(h-8)-h=h-16
becomes
2h-16-h=h-16
now see if you can combine like terms.