4 2/9=8/9
8/9 x 6=48/9= 5 3/9
5 3/9= 5 1/3
Solution:
we are given that
If G is the midpoint of FH, it mean that

we are also given that

So we can write

So 
-4x-24=8
So you move the -24 to the other side.
-4x=32
Divide both sides by -4.
x=-8
5x+17+15=45
5x=45-17-15
5x=13
x=13/5