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17 March, 01:29

Use a graphing calculator or spreadsheet software to solve 4x + y + z = 1 8x - 4y - 7z = 2 5y + 9z = 3 using matrices.

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  1. 17 March, 01:36
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    Put the three equation in the matrice for as I do then take it to a reduced row echelon form, then you will see if he solution is trival, infinitly manay solution ot if it has a definite solution.
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