Question

Solve these two systems of linear equations questions

A

x + 3y + 4z = 3 2.c + 7 + 72 = 4 3x + 13y + 8z = 1

B

3 Let the reduced row-echelon form of the augmented matrix, representing a system of four linear equations in the five unknow

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Answer #1

solution &+39 +42 = 3 2x+79+72 - 4 3x + 139 +82= el 1 3 4 2 7 2 3 13 8 consider augmented matria 3 4 3 7 7 3 138Reduce augmented matsion to reduced rewechelen form R&R, -2R1 Rz & R₂ -3R, RIER-3 R₂ R₂ & R3-4R. 134 13 1 9 ol-1 ta 0 a 4 - 4To 967 -+ Augmented matrix is al 8 o 6 3 2. ooo 15 oo ooo 5+9+1V=4 5+8t +60=3 u+5v = 2 -9t-7074 SS-86-6v+] u = -5v+2 9t-Tut4

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