import numpy as np a = np.array([[6,2,-5], [3,3,-2], [7,5,-3]]) b = np.array([13,13,26]) x = np.linalg.solve(a, b) print(x)
import numpy as np A = np.array([[8, 3, -2], [-4, 7, 5], [3, 4, -12]]) b = np.array([9, 15, 35]) x = np.linalg.solve(A, b) x
[2. 3. 1.]