Use matrices to solve the system of linear equations, if possible. Use Gaussian elimination with back-substitution. 1.
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Use matrices to solve the system of linear equations, if possible. Use Gaussian elimination with back-substitution.
1.
2.
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5x + 4y = -x + y = -22 - 22 S2r – 5y = 2 1 3х — Ту %3D 1 2х
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