\left\{ \begin{array} { l } { x = 0.15 } \\ { 56 y - 24 x - 32 z = 20 } \\ { z = 0.05 M } \\ { y - z = \frac { M } { 32 } } \end{array} \right.
Solve for x, y, z, M
x=0.15
y=0.65
z=0.4
M=8
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