[ Eq(Derivative(x1, t), (1*k2*(k3*k10*x2 - x1*x3)/(1 + k10 + x2 + x1 + x3 + k10*x2 + x1*x3) + (-1)*k6*(k7*x1 - k11)/(1 + x1 + k11) + (-1)*k8*(k9*x1 - k12)/(1 + x1 + k12))/k1),
  Eq(Derivative(x2, t), ((-1)*k2*(k3*k10*x2 - x1*x3)/(1 + k10 + x2 + x1 + x3 + k10*x2 + x1*x3) + 1*k4*(k5*k13*x3 - k14*x2)/(1 + x3 + x2 + k13 + k14 + x3*k13 + x2*k14))/k1),
  Eq(Derivative(x3, t), (1*k2*(k3*k10*x2 - x1*x3)/(1 + k10 + x2 + x1 + x3 + k10*x2 + x1*x3) + (-1)*k4*(k5*k13*x3 - k14*x2)/(1 + x3 + x2 + k13 + k14 + x3*k13 + x2*k14))/k1),
  Eq(Derivative(x4, t), 0),
  Eq(Derivative(x5, t), 0),
  Eq(Derivative(x6, t), 0),
  Eq(Derivative(x7, t), 0),
  Eq(Derivative(x8, t), 0) ]