\left\{ \begin{array} { l } { x = 2 - \mu } \\ { y = 3 \lambda + \mu } \\ { z = 3 - 3 \lambda } \end{array} \right.
Solve for x, y, z
x=2-\mu
y=3\lambda +\mu
z=3-3\lambda
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z=3-3\lambda
Solve z=3-3\lambda for z.
x=2-\mu y=3\lambda +\mu z=3-3\lambda
The system is now solved.
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