Question

ajutatima (-1 3 0 -1)•x=(1 1 0 0 2 -1)​

Answer 1

Răspuns:

$\bf (-1 3 0 -1)\cdot x=(1 1 0 0 2 -1)$

$\bf -1 3 1\cdot x=1 1 0 0 1$

$\bf x=1 1 0 0 1 :(-131)$

$\green{\underline{\bf x=-83,977}}$