classLinearEquation

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

# isSolvable()<=>ab-bc!=0

    def isSolvable(self):
        if ((self.__a * self.__d - self.__b * self.__c)!=0):
            return True
        else:
            return False

    def getX(self):
        return ((self.__e * self.__d - self.__b * self.__f)/(self.__a * self.__d - self.__b * self.__c))
    def getY(self):
        return ((self.__a * self.__f - self.__e * self.__c)/(self.__a * self.__d - self.__b * self.__c))

    def __repr__(self):
        s1= ("{}x + {} + {}y = {}" .format(self.__a, self.__b, self.__e))
        s2= ("{}x + {} + {}y= {}". format(self.__c, self.__d, self.__f))
        rezultat=s1+"\n"+s2
        return rezultat

s1 = LinearEquation (2,3,1,7,5,8)
if s1.isSolvable():
    x=s1.getX()
    y=s1.getY()
    print ("Sistemul are solutia ({},{})".format(x,y))

else:
    print ("Sistemul nu are solutie")

s2 = LinearEquation (2,3,2,3,4,1)
if s2.isSolvable():
    x=s2.getX()
    y=s2.getY()
    print ("Sistemul are solutia ({},{})".format(x,y))
else:
    print ("Sistemul nu are solutie")