49*x1 x2 x3 ----- - -- - -- = 8 200 40 50
-x1 11*x2 1 ---- + ----- - --- = -6 40 200 100
-x1 x2 x3 ---- - --- + -- = 0 50 100 20
-11.1624695369618
21.6320064987815
-99.0763606823721
x11 = 21.63200649878148 x21 = -99.07636068237206 x31 = -11.16246953696182