books equations are not linear
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# Linear Equations
# straight line equations
# Modify the Manstein plan
# Equations of a straight line in space
# Linear equations of the second degree
# Homogeneous Linear Equations
# Linear equation with two unknowns
# Linear Equations Using Matrices
# Homogeneous and inhomogeneous linear equations
# Interactive Linear Equations
# Equation of a straight line in terms of a point and a point
# Linear equations of the third degree
# Straight line equation and prediction equation
# straight line equations of first degree
# The equation of the polar line in the circle
