Question

Solve this system using matrices:

x1 − x2 + x3 = 6


2x1 − x2 + x3 = 5


3x1 + x2 + 3x3 = −20


x1 = x2 = x3 =

Answer 1

Answer: on edge its

X1 = -1

X2 = -9.5

X3 = -2.5