Question: Graph the lines determined by each system of linear equations. Then use Gaussian elimination to solve each system. At each step of the elimination process,

Graph the lines determined by each system of linear equations. Then use Gaussian elimination to solve each system. At each step of the elimination process, graph the corresponding lines. How do the graphs at the different steps compare?
(a)

х — 4у 3D — 3 4y 15х — бу %3D 13

(b)

2х — Зу 3D — 4х + бу — —14 - 14

4 3D 3 4y 15 %3D 13 2 3D 4 + 14 - 14

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