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"Solving a system involving three unknowns." We're supposed to use substitution or elimination.
3d+e-2f=-14
2d-3e+4f=-23
5d+4e-10f=-13
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"Solving a system involving three unknowns."
3d+e-2f=-14 2d-3e+4f=-23 5d+4e-10f=-13
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