Question

1. Find all solutions to the following systems of linear equations.
(a)
x1 − 2x2 + 2x3 = 5
x1 − x2 = −1
−x1 + x2 + x3 = 5
(b)
x1 + x2 + 3x3 = 3
−x1 + x2 + x3 = −1
2x1 + 3x2 + 8x3 = 4

Answer 1

The numbers after X are exponents

Answer 2

Will fan and medal

Answer 3

x1=5
x2=6
x3=4