- #1

niteshadw

- 20

- 0

x1 + x2 + x3 [] = 2

2x1 [] + 2x3 + 2x4 = 2

x1 + 2x2 + 2x3 [] = 1

2x1 + 2x2 [] + x4 = 2

[] signify a blank space in the equation. How do you even proceed to do this, I have never seen it. Any help would be appreciated. Thank you.