B- Solve the following system of five linear equations: -u+ 0.5v + 2w - 1.75x + y = 9.5" 3u + 12v- 9w - 1.5x - 6y= -4.5 3u - 1.5v + w 1.25x + 0.5y = -11.5 3u2v-w-1.5x - 3y = -3.5 6u + 3v + 2w+x+8y = -23.5

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