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Example 5 - Equation(9 can be solved for z Substitute into...

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Example 2 Solve the following system of equations, using matrices. Put the equations in matrix form. Eliminate the  x -coefficient below row 1.  Eliminate the  y- coefficient below row 5.  Reinserting the variables, the system is now: 
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Unformatted text preview: Equation (9) can be solved for z. Substitute into equation (8) and solve for y . Substitute into equation (7) and solve for x . The check of the solution is left to you. The solution is , , ....
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