Answer:
Step-by-step explanation:
[tex]\frac{n}{2}*(C+H)=V\\ C+H=\frac{V*2}{n}\\\\ H=\frac{V*2}{n}-C[/tex]
V=n/2(c+H)
means : V= nc/2+nH/2
nH/2 = V - nc/2
multiply by 2 : nH =2V-nc
so: H = (2V-nc)/n
