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Solve the following systems of equations (a) 2x1+3x2+3x3=8 2x1+3x2+x3=x1x22x3=55 x1+x2x3=1 (b) 2x1x2+2x3=2 3x1+x3=3 (c) x1x2+x3=0 (c) x1+3x2+x3=5 3x1+x2+7x3=2

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