Solve for x, y, z, a
a=-0.2
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z=0.6-0.8
Consider the third equation. Insert the known values of variables into the equation.
z=-0.2
Subtract 0.8 from 0.6 to get -0.2.
a=-0.2
Consider the fourth equation. Insert the known values of variables into the equation.
x=0.6 y=0.8 z=-0.2 a=-0.2
The system is now solved.
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