October 2018 1 18 Report

a)x+2y=-2 2x-y=11 b)x+4y=-2 3x-8y=10 c)x-2y=3 -2x+y=0 d)2x+y=9 5x-4y=3 e)3x-2y=5 2x-y=4 f)2x+9y=-9 -3x+3y=8 g)2x+3y=4 8x-5y=-1 h)x-y=0 x+y+z=4 x+2y+3z=9


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