python 解方程

def solve(eq,var='x'):
    c = eval(eq,{var:1j})
    print(eq, c.real)
    print(-c.real/c.imag)

solve("x-x/1.06*0.0672-2838500-(x/1.06-x/1.06*0.06*0.12-2838500-3648254652.18)*0.25-5184042231.65")

solve("x-x/1.06*0.0672-(x/1.06-x/1.06*0.06*0.12-907062220.47)*0.25-1076351297.61")

solve("x-x/1.06*0.0672-(x/1.06-x/1.06*0.06*0.12-466567540.64)*0.25-932162858.41")

solve("x-x/1.06*0.0672-2838500-(x/1.06-x/1.06*0.06*0.12-2838500-2274624891.07)*0.25-3175528075.63")