Python linear equations

(Algebra: linear equations) Design a class named LinearEquation for a 2 x 2 system of  linear equations.
The class contains:
■ The private data fields a, b, c, d, e, and f with get methods.
■ A constructor with the arguments for a, b, c, d, e, and f.
■ Six get methods for a, b, c, d, e, and f.
■ A method named isSolvable() that returns true if ad - bc is not 0.
■ The methods getX() and getY() that return the solution for the equation.
Write a test program that prompts the user to enter a, b, c, d, e, and f and displays the result. If ad - bc is 0, report that “The equation has no solution.”

class LinearEquation():
    def __init__(self, a, b, c, d, e, f):
        self.__a = a
        self.__b = b
        self.__c = c
        self.__d = d
        self.__e = e
        self.__f = f

    def getA(self):
        return self.__a
    def getB(self):
        return self.__b
    def getC(self):
        return self.__c
    def getD(self):
        return self.__d
    def getE(self):
        return self.__e
    def getF(self):
        return self.__f
    def isSolvable(self):
        if LinearEquation.getA(self) * LinearEquation.getD(self) - LinearEquation.getB(self) * LinearEquation.getC(self) != 0:
            return True
        else:
            return False

    def getX(self):
        if LinearEquation.isSolvable(self) == False:
            return 'The equation has no solution!'
        else:
            x = (LinearEquation.getE(self) * LinearEquation.getD(self) - LinearEquation.getB(self) * \
                 LinearEquation.getF(self)) / (LinearEquation.getA(self) * LinearEquation.getD(self) - \
                LinearEquation.getB(self) * LinearEquation.getC(self))
            return x

    def getY(self):
        if LinearEquation.isSolvable(self) == False:
            return 'The equation has no solution!'
        else:
            y = (LinearEquation.getA(self) * LinearEquation.getF(self) - LinearEquation.getE(self) * \
                 LinearEquation.getC(self)) / (LinearEquation.getA(self) * LinearEquation.getD(self) - \
                LinearEquation.getB(self) * LinearEquation.getC(self))
            return y
def main():
    equ = LinearEquation(12, 23, 15, 10, 8, 19)
    print('X = ', equ.getX(), ' y = ', equ.getY())

main()

 SOLUTION:

 X =  1.5866666666666667  y =  -0.48

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