SYSTEMS OF EQUATIONS Solving Using The Inverse Matrix (Page 3 of 4)

Repeat this process with matrix B, which is of size 3 rows by 1 column, using the TI-83/84 matrix name [B].

 MATRX key. [EDIT] 2: menu selection.

 3 ENTER key. 1 ENTER key.

 Calculator screen image.
 Negation key. 8 ENTER key. 9 ENTER key. 43 ENTER key. Calculator screen image.
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