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Unformatted text preview: r = 5/2 (5/2, 5/2) 35. Multiply the second equation by 1 3x + z + 2w +18v = 04x + y  w  24v = 0 7x – y + z + 3w + 42v = 0 4x + z + 2w + 24v = 0 37. Replace the second equation by the sum of itself and 2 times the first equation x + y + 2z + 3w = 1 y  1z  2w = 1 3x + y + 4z + 5w = 2 2x + y + 3z + 4w = 1 x + y + 2z + 3w = 12x – 2y  4z 6w = 2y  1z – 2w = 1...
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 Spring '09
 Dobra
 Addition, 1 3x, 2 times

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