![]() If we bill two different room rates and what the insurance company pays is not what we’re supposed to get, I have to figure out what rates they used to determine the payment. What I need this for is for the work I do (hospital insurance billing). I could solve it that way well enough, but I was looking for a way to get an exact numeric answer. ![]() (On preview, I se that LHOD has raised this point). I can describe that for you if that’s what you’re after. If you instead have two equations and two unknowns, you can use Excel to implement Cramer’s Rule. You can solve the equation for either variable in terms of the other variable: You know you can’t completely solve the equation (i.e., find what numbers x and y are equal to) since you have two unknowns and only one equation.
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