Parallel Lines: Yellow Perpendicular Lines: Light Blue Neither: Uncolored // 1 ソ=- ソ=-- x +3 y = 3x - 7 y = 3x + 1 | ソ=ニx+8 y = 4x- 5 2x + 7y = 28 7x – 2y = 4 %3D y = -5x + 1 x – 5y = 30 3x + 2y = 8 2x + 3y = -12 %3D

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