I'm trying to solve the following set of equations, I'm trying to work out how to put them into matrix form to solve, but I can't see how to.

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- Apr 8th 2009, 12:53 AMCrakasolving equations
I'm trying to solve the following set of equations, I'm trying to work out how to put them into matrix form to solve, but I can't see how to.

- Apr 8th 2009, 12:06 PMOpalg
You can't put them into matrix form because they are not linear equations.

But you can do a lot to simplify them. For start, the last equation just says that . So it follows from the first two equations that . Multiply out those fractions, substitute (from the third equation), and you'll have a quadratic equation for . Once you know , you can substitute back and find the other unknowns quite easily.