Solving Systems of 3 Variable Linear Equations
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What is a 3 variable Linear Equation?
$ x + 3y + z = ??? $
How To Solve 3 variable systems using Elimination
$ x + 3y + z = 5 \\ 2x + 3y + 3z = 15 \\ 3x - 1y + 2z = -2 \\ $
