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(-7/2)*x = -49
(3*x)/6 = 7/3
1.650779*x+0.5*y+0.169844*z+18.75011;0.5*x+2.146857*y+0.3*z-9;0.169844*x+0.3*y+0.146031*z-11.550022
6*t^5
18;32
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