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Mathematics 7 Online
OpenStudy (anonymous):

x + 2y + z = 2 2x - 2y + 3z = 1 x + 2y - az = a from the above, what method can i use to solve for a to determine when the system will have no solution or have one or many solution?

OpenStudy (anonymous):

Gaussian elimination/augmented matrix

OpenStudy (anonymous):

Are you being asked to describe whether or not the system is solvable depending on the value of a?

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