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Sample edHelper.com - Matrices Worksheet

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Matrices
Write the linear system as a matrix equation.

 1 -9x + 1y = 130-5x - 4y = 54
 2 -2x - 3y + 8z = 43-5x - 7y + 3z = -8-4x - 1y + 6z = 51
 3 -9x + 8y + 2z = -633x - 6y - 8z = 115-4x - 9y - 7z = 109
 4 -5x + 2y = -47-5x - 2y = -23
 5 -6x + 3y + 8z = -1174x - 7y - 1z = 110-3x + 6y - 7z = -66
 6 -1x - 5y = -519x - 2y = -152
 7 1x + 3y = -24-6x + 5y = 29
 8 2x + 9y - 7z = -49-6x - 1y + 4z = -3-9x + 3y + 7z = -62
 9 -5x - 2y + 8z = -447x - 1y - 8z = 344x - 3y + 2z = -48
 10 9x - 6y = 15-6x - 8y = 110
 11 2x - 1y - 4z = 457x - 5y + 3z = 46-2x + 3y - 6z = 15
 12 9x - 1y = -120-8x + 7y = 70
 13 5x - 9y + 4z = -137-6x + 7y - 8z = 159-2x - 1y - 3z = 26
 14 -1x - 8y = 05x + 4y = 36
 15 3x - 9y = 1266x - 2y = 76
 16 3x - 1y - 9z = 645x - 4y - 7z = 436x - 2y + 8z = -132
 17 6x - 5y = 95-4x - 2y = -26
 18 9x + 3y - 8z = -136-5x - 8y + 3z = 1384x - 7y - 1z = 44

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