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1.) Solve the system of equations using the inverse of the coefficient matrix of the equivalent matrix equation. A=[1 -14 7 46 -1 2 1

1.) Solve the system of equations using the inverse of the coefficient matrix of the equivalent matrix equation.

A=[1 -14 7 46

-1 2 1 -2

1 2 - 1 -8

1 -2 3 8]

A^-1 = (Simplify integer or decimal for each matrix element.)

2.)Use a graphing calculator to find Upper A Superscript negative 1A1, if it exists.

x^- y - z = 0

2 y + z = 1

8x + 7y = 2

( integer or a simplified fraction.)

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