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Sa T.

asked • 09/10/20

solving system of equation by matrix method

5) 4r − 4s + 4t = −4 6) x − 6y + 4z = −12

4r + s − 2t = 5 x + y − 4z = 12

−3r − 3s − 4t = −16 2x + 2y + 5z = −15




3) −x − 5y + z = 17 4) 4x + 4y + z = 24

−5x − 5y + 5z = 5 2x − 4y + z = 0

2x + 5y − 3z = −10 5x − 4y − 5z = 12







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