Question: Solve the system of linear equations and check any solutions algebraically. 1. 2. 3. ++z%3D 7 2 + z%3D 9 (3 z = 10 ||||

Solve the system of linear equations and check any solutions algebraically.
1.

х+у+z%3D 7 2х — у + z%3D 9 (3х z = 10 ||||

2.

(x + y + z = 5 х — 2у + 4г %3 13 Зу + 42 3D 13

3.

++z%3D 7 2 + z%3D 9 (3 z = 10 |||| (x

++z%3D 7 2 + z%3D 9 (3 z = 10 |||| (x + y + z = 5 2 + 4 %3 13 + 42 3D 13

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