Question: Use matrices to solve the system of linear equations, if possible. Use Gaussian elimination with back-substitution. 1. 2. 5x + 4y = -x + y

Use matrices to solve the system of linear equations, if possible. Use Gaussian elimination with back-substitution.

1.

5x + 4y = -x + y = -22 - 22

2.

S2r – 5y = 2 1 3х — Ту %3D 1 2х

5x + 4y = -x + y = -22 - 22 S2r 5y = 2 1 3 %3D 1 2

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