Trackg1686 Trackg1686

11-03-2024
Mathematics

contestada

Solve the system of linear equations and check any solution algebraically.
3x − 3y − 9z = −9
−4x + 3y + 9z = 1
x − y − 7z = −13
Since the leading coefficient of the third equation is 1 interchange the third equation with the first equation.

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