Solve for x, y, z
z=-97
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x=4
Consider the first equation. Swap sides so that all variable terms are on the left hand side.
y=-97
Consider the second equation. Subtract 100 from 3 to get -97.
z=-97
Consider the third equation. Insert the known values of variables into the equation.
x=4 y=-97 z=-97
The system is now solved.
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