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Sample edHelper.com - Matrices Worksheet

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Matrices
Solve for x.

1.
 -8 -14 -2x
-
 -19 17 -1
+
 14 13 -2
=
 -101 -135 33

2.
 4 -9 -10 -1x -20 20 9 18
+
 15 2 10 -20 -9 -16 19 18
-
 11 -7 -11 12 0 -1 1 -8
=
 8 0 11 -34 -29 5 27 44

3.
 2x -6 8 -11
-
 13 -11 -16 15
+
 12 -6 -19 -7
=
 7 -7 -14 -40

4.
 13 -3x -7
-
 -18 -19 0
+
 2 18 9
=
 29 16 -16

5.
 -15 19 6 20 -6 -18 -1 -3x -13
-
 -9 11 14 -8 -1 16 -6 -17 1
+
 5 6 4 -17 -1 10 -8 17 1
=
 19 38 12 -57 -10 16 -35 111 -9

6.
 -17 4 -1 18 1 4x 10 -5 -14 8 17 20
+
 7 -4 8 -14 5 1 -19 14 11 9 -3 19
-
 14 18 -11 -16 4 -13 -9 12 -4 10 20 -3
=
 -31 -40 37 22 3 20 -10 -1 16 6 -29 64

7.
 -2x -10 2 -4 3 1
+
 -12 12 7 1 -15 -17
-
 -4 9 10 1 16 2
=
 -22 -7 -1 -4 -28 -18

8.
 3 -8 -2x 20
+
 -16 -9 -12 7
-
 16 9 -6 1
=
 -29 -26 -10 26

Sample
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Sample edHelper.com - Matrices Worksheet