Y add -79.4 div inv add 0.16 mul 3.48 x_4 mul sub mul -0.028 div sub mul 0.845 x_1 add sub mul 0.192 x_2 mul 0.249 div x_0 x_2 mul -0.874 x_4 x_3 mul -86.10000000000001 x_3 inv add 26.700000000000003 mul 0.6880000000000001 x_2