SMC MATH 21 - Finite Math section 2.2 Systems of 3 linear equations

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Finite Mathsection 2.2 Systems of 3 linear equationsEx1, x + 2y + 3z = 20x + 3y + z = 12x + y + 4z = 23Ex2, x + y + 3z = 6x + 3y + z = 22x + y + 4z = 7Ex3, (augmented matrix)2x y = 8x + 3y + z = 5 2x + y + 4z = 20ÊÔ×ÕØ»210132148520"ÊÊÔ× Ô×ÕØ ÕØ»» ÊÊÔ× Ô×ÕØ ÕØ»» ÊÊÔ× Ô×ÕØ ÕØ»» Ex4, (augmented matrix)3x + y + 3z = 1x + 3y + z = 172x + 5y + 4z = 21ÊÔ×ÕØ»8131325411721"ÊÊÔ× Ô×ÕØ ÕØ»» ÊÊÔ× Ô×ÕØ ÕØ»» ÊÊÔ× Ô×ÕØ ÕØ»»Ex5, (inconsistent system) 2x + y + 3z = 1x + 3y + 2z = 2x + 4y + 5z = 4Ex6, (system with many solutions) 2x + y + 3z = 17x + 3y + 2z = 93x + 5y + 8z = 43Ex7, 2x + y + z = 3x + 2y + z = 7x + y + 2z = 6Ex8, x + y + z = 8 + 3y + z = 10 + + 2z =


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