simultaneous_eqn_kiki

def simultaneous_eqn(eqns):
	a = eqns[0]
	b = eqns[1]
	c = eqns[2]

	x = float((-b - c) / a)

	return x

def two_unknown(eqns):
	x1 = eqns[0][0]
	y1 = eqns[0][1]
	c1 = eqns[0][2]
	c1 = -c1

	x2 = eqns[1][0]
	y2 = eqns[1][1]
	c2 = eqns[1][2]
	c2 = -c2

	det   = (x1 * y2) - (x2 * y1)
	det_x = (c1 * y2) - (c2 *y1)
	det_y = (x1 * c2) - (x2 * c1)

	x = float(det_x / det)

	y = float(det_y / det)

	return [x, y]

def system_of_eqns(unknown, eqns):
	if unknown == 1:
		print(simultaneous_eqn(eqns))

	elif unknown == 2:
		print(two_unknown(eqns))

unknown = 2
eqns = [[1, -3, 2], [2, 5, 4]]

print(system_of_eqns(unknown, eqns))