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OpenStudy (anonymous):
Solve with matrices. 5x -3y = 18 and 2x + 7y = -1 Indicate each matrix with the vertical bar (|) symbol from the keyboard at the beginning and end of each row.
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OpenStudy (anonymous):
first draw the matrix
OpenStudy (anonymous):
how do you to that? @10115658
OpenStudy (anonymous):
|dw:1433352560484:dw|
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