Question: Use matrix inversion to solve the given systems of equation: 2r+3s-4t = 12, 3r-2s = -1, 8r-s-4t=10 and 8000A+3000B+1000C = 700000, 5000A+120000B+10000C=181000, 1000A+3000B+2000C=41000 8,000A +

Use matrix inversion to solve the given systems of equation: 2r+3s-4t = 12, 3r-2s = -1, 8r-s-4t=10 and 8000A+3000B+1000C = 700000, 5000A+120000B+10000C=181000, 1000A+3000B+2000C=41000 8,000A + 3,000B + 1,000C = 70,000, 5,000A + 12,000B + 10,000C

8,000A + 3,000B + 1,000C = 70,000, 5,000A + 12,000B + 10,000C = 181,000, 1,000A + 3,000B + 2,000C = 41,000.

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