Solve the System
		And
		And
		And
		And
		And
		And
		And
		And
		And

Just like a math textbook, every once in a while we publish an error. If you
think you’ve come across an error, please let us know. We’ll get back to
you with the correct solution.

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United States Patent Numbers 7,432,926, 7,595,801, & 7,889,199.
Other Patent Pending.
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