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Solve the following linear system using a matrix. L 1 : 2x-6y+4z=11 L 2 : x-3y+4z=-7 L 3 : 8x+18y-2z=-1

Solve the following linear system using a matrix.

L₁: 2x-6y+4z=11

L₂: x-3y+4z=-7

L₃: 8x+18y-2z=-1

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