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 Name _____________________________ Date ___________________
Matrices
(Answer ID # 0741997)
Write the system of linear equations represented by each matrix equation.

1.
 9 2 -9 1

 x y
=
 -89 50

2.
 -7 -8 -4 5

 x y
=
 155 12

3.
 -6 3 2 -7 -5 -1 -9 8 -3

 x y z
=
 70 -57 81

4.
 -2 6 -4 2 -6 5 -4 1 -3

 x y z
=
 -40 38 -46

5.
 -7 9 -8 -1 7 -8 2 -6 -3

 x y z
=
 69 43 -2

6.
 -4 -9 -5 -2

 x y
=
 -47 -31

7.
 9 -8 7 -3 1 -4 -1 7 -4

 x y z
=
 -230 70 106

8.
 5 -6 -3 9

 x y
=
 -16 -12

9.
 2 -3 5 6 -7 -8 -1 -4 -9

 x y z
=
 -42 8 71

10.
 6 4 1 -3 -9 -2 7 -8 -5

 x y z
=
 -16 68 83

11.
 9 1 -4 -8

 x y
=
 -109 124

12.
 6 -2 3 -5

 x y
=
 -66 -81

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