Y add 4.63 sub add mul -0.921 x_6 mul 4.0 mul sub mul 0.083 x_2 mul -0.8270000000000001 x_0 x_1 add add mul -4.23 x_5 add mul 98.60000000000001 x_4 mul 0.752 x_3 mul 0.552 inv add -84.60000000000001 mul 7.97 x_7