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Sample edHelper.com - LinearEquations Worksheet

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Systems of Equations in Three Variables
Solve each system of equations.

 1 -4x + y - z = -10-9x - y + 4z = -37-8z = 56
 2 -7x - y - 6z = -875x + 5y - 6z = -21x = 8
 3 -6x + y - z = -47z = 7-10x - 12y - 3z = 33
 4 -9z = 36x - 5y + 2z = -98x - y - 9z = 67
 5 8x + 12y - 3z = 62-11x - 4y - z = 8-7x = 14
 6 2x - 10y - z = 88-5z = -40-x - y - 4z = -26
 7 -3y = 150x + 7y - 9z = -48-2x + 2y + z = -194
 8 2x - 5y - 11z = 447x = 12-x - y + z = -1
 9 4x + 3y - z = -329-6x = 2404x - 3y - z = -53
 10 3x - 4y - 2z = -266-x - 6y + 9z = 1474z = 116
 11 -12x - y - 10z = 1040-3x - 3y + 2z = -327z = -343
 12 -7x = 70-3x - 2y + 5z = -1-x - 3y + 3z = 31
 13 6x + 4y - 12z = 364x - 2y - 2z = 106-2y - 5z = 249
 14 -10x + 8z = -714-7x + 9y + 5z = -102-4x - 5y - 4z = -258
 15 -x + y - 5z = -87-x - 3y + z = -732x + 6y - 3z = 119
 16 -12x + 10y - 8z = -3522x - y - 4z = -1724x + 5y + 3z = -19
 17 x - 5y - 11z = 698x - 4y - 3z = 299-x + 9y - 7z = -94
 18 -4x + 3y + 3z = -209-6x - y - 8z = -209-9x + 4y - 7z = -418

Sample
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