# Python code snippet – How to plot a linear equation in matplotlib?

import matplotlib.pyplot as plt import numpy as np x = np.linspace(-5,5,100) y = 2*x+1 plt.plot(x, y, '-r', label='y=2x+1') plt.title('Graph of y=2x+1') plt.xlabel('x', color='#1C2833') plt.ylabel('y', color='#1C2833') plt.legend(loc='upper left') plt.grid() plt.show()