In Exercises 101104, find x and y. 101. [ 1 y x 9] = [ 1 7 12 9] 102. [ 1 x 4 0 5 y ] =
Chapter 8, Problem 101(choose chapter or problem)
Equality of Matrices In Exercises 101-104, find x and y.
\(\left[\begin{array}{rr} -1 & x \\ y & 9 \end{array}\right]=\left[\begin{array}{rr} -1 & 12 \\ -7 & 9 \end{array}\right]\)
Text Transcription:
[_y 9 ^-1 x] = [_-7 9 ^-1 12]
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