How do I rearrange this equation to solve for H instead of M: M = 1800/W (KH/ (1-KH) + (OKH + 2OPK^2H^2) / (1 + OKH + OPK^2H^2))?

Answer 1

As written I would interpret the outer parentheses to be in the numerator --- (and multiplied by 1800/W) === is that how you intended it?