[ Diff(x[1], t) = (1*k[7]*k[3]*x[1]*(1 - x[1] - (1 - k[5])*x[2]) + (-1)*k[7]*k[4]*x[1] + (-1)*k[7]*k[1]*x[1]*x[2]*k[6])/k[7],
  Diff(x[2], t) = (1*k[7]*k[1]*x[2]*(1 - x[2] - (1 - k[6])*x[1]) + (-1)*k[7]*k[2]*x[2] + (-1)*k[7]*k[3]*x[2]*x[1]*k[5])/k[7] ]