Find the values of given variables

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Reference no: EM131481790

Question: 1. Find the values of x, y and z when

- 4.5x + 7y + 3z = 128.5

- 6x + 18.2y + 12z = 270.8

- 3x + 8y + 7z = 139

2. Solve for A, B, C and D when

- A + 6B + 25C + 17D = 843

- 3A + 14B + 60C + 21D = 1,286.5

- 10A + 3B + 4C + 28D = 1,206

- 6A + 2B + 12C + 51D = 1,096

Reference no: EM131481790

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