Plot linear equations with sympy

gistfile1.py

from sympy.abc import x, y, z
from sympy.plotting import plot, plot3d
import sympy as sp
fron sympy import solve, Eq

def plot_line(e):
    e = solve(e, y)
    plot(e[0])


def plot_plane(e):
    e = solve(e, z)
    plot3d(e[0])

def plot_eq(lhs, rhs):
    """ plots equation of form lhs = rhs. e.g to plot x+2y=3, call plot_eq(x+2*y, 3)"""
     plot(solve(Eq(lhs, rhs), y)[0])