#!/usr/bin/python3
import numpy as np
def main():
	#x1 + x2 = 2200
	#1.5x1 +4x2 =5050
	#Ax=b --> x= A-1 b
	a=np.array([[1,1],[1.5,4]])
	b=np.array([2200,5050])
	x=np.linalg.inv(a).dot(b)
	print(x)
	x=np.linalg.solve(a,b)
	
if __name__=="__main__":
	main()