Question: 1. If a system of three linear equations is inconsistent, then there are no points common to the graphs of all three equations of the

1. If a system of three linear equations is inconsistent, then there are no points common to the graphs of all three equations of the system.
2. Are the following two systems of equations equivalent? Give reasons for your answer.

х+ 3у — г%3 6 2х — у + 2z %3D 1 х+ Зу — z%3D – 7y + 4z = = – 16 Зх + 2у — z %3D 2 – 7y – 4z

+ 3 %3 6 2 + 2z %3D 1 + z%3D 7y + 4z = = 16 + 2 z %3D 2 7y 4z

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