Question: 1. Operation 3: Change the second equation by adding to it (- 1/2) times the first equation. 2. Operation 3: Change the third equation by

1. Operation 3: Change the second equation by adding to it (- 1/2) times the first equation.

Lx- бу — 4 tx + 2y = 1

2. Operation 3: Change the third equation by adding to it (-4) times the first equation.

х - 2у + 2 —0 y - 2z = 4 4х + у+ 32 — 5

3. Operation 3: Change the third equation by adding to it 3 times the second equation.

Lx- 4 tx + 2y = 1 - 2 + 2 0

Perform the indicated elementary row operation and give its abbreviation.

Lx- 4 tx + 2y = 1 - 2 + 2 0 y - 2z = 4 4 + + 32 5

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