Write each vector as a linear combination of the vectors in S. (If not possible, enter IMPOSSIBLE:) {(2, -1, 3), (5, 0, 4)}
(a)
2 = (1, -3, 5)
z = 1(2, -1, 3) + 0(5, 0, 4)
(b)
23 = 4(2, -1, 3) + 7(5, 0, 4)
(c)
w = (6, -8, 16)
w = 2(2, -1, 3) + 1(5, 0, 4)
(d)
u = (7, 1, -1)
IMPOSSIBLE