4x — 2 y = 20 3) 2.r+2y=O -20 3x+3y=3 Infinitely manv solutions 7) -32 —16 Infinitely...

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Transcript of 4x — 2 y = 20 3) 2.r+2y=O -20 3x+3y=3 Infinitely manv solutions 7) -32 —16 Infinitely...