It is safe to assume we should solve for v.
To do this, we must isolate v.
[tex]-\frac{9}{4v} +\frac{4}{5} = \frac{7}{8} \\-9 + \frac{4}{5} = \frac{7}{8} * 4v\\-9 + .80 - .875 = 4v\\[/tex]
Answer:
[tex]\frac{-9 + .80 - .875}{4} = v[/tex]
