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OpenStudy (anonymous):
does anyone know how to use the matrices in system of equations? its really confusing i need help
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OpenStudy (anonymous):
x + 2y - z = -1 x - 4y - z = -4 2x - 2y + 3z = 15
OpenStudy (anonymous):
@mathmath333 @cutelilcigarette @Cuanchi could you help
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