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In Solving a System of Three Equations in Three Variables z=x−4\mathrm{z}=\mathrm{x}-4

Question 137

Short Answer

In solving a system of three equations in three variables, it is impossible to eliminate two variables. Thus, the the final step yields the following equation:
z=x−4\mathrm{z}=\mathrm{x}-4 .
How many solutions does this system have? Explain geometrically.

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There are an infinite number o...

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