# Mathematics

“Mathematics, rightly viewed, possesses not only truth, but supreme beauty—a beauty cold and austere, like that of sculpture, without appeal to any part of our weaker nature, without the gorgeous trappings of painting or music, yet sublimely pure, and capable of a stern perfection such as only the greatest art can show.”

**― Bertrand Russell, A History of Western Philosophy**

# Yes, the answer is simple

Yes, the answer is simple

I was being slightly tongue-in-cheek when I responded to a post that anyone in IT has probably seen a thousand times already:

Solve this:

My response?

How Linux admins do this:

`3X = 24`

`X + Y = 25`

`Y - Z = 8`

`$ sudo yum -y install octave`

`[vertigo] $ octave`

`octave:1> A=[3, 0 , 0; 1, 1, 0; 0, 1, -1]`

`A =`

` 3 0 0`

` 1 1 0`

` 0 1 -1`

`octave:2> B=[24; 25; 8]`

`B =`

` 24`

` 25`

` 8`

`octave:3> A\B`

`ans =`

` 8`

` 17`

` 9`

`octave:4> sum(ans)`

`ans = 34`