-4*a=-2
-2*a-5*b=13.5
-3*a-4*b=22.7
-5*a-2*b+5*c=-27
-3*a+2*b+7*c=-44.2
5*a+2*b-5*c=27
-5*a+7*b-9*c+4*d=-187.3
-9*a-2*b-7*c+5*d=-175.6
-3*a-5*b-5*c-2*d=-31.1
-5*a+5*b-4*c+5*d=-144.9
-4*a-6*b+7*c+6*d-7*e=40
4*a-2*b-3*c+6*d+8*e=-34.6
9*a+5*b+4*c+7*d+6*e=73.1
-5*a+7*b+4*c-4*d+3*e=103.4
-8*a+7*b+4*c+5*d-8*e=124.5
