This is the second time submitting this question, this is linear algebra pls help

a$.$ Find the general flow pattern of the network shown in the

figure.

b$.$ Assuming that the flow must be in the directions indicated,

find the minimum flows in the branches denoted by $x_2,x_3,$

$x_4,$ and $x_5.$

a$.$ Choose the correct answer below and fill in the answer boxes to complete your choice.

A$.$

$x_1=$

$x_{2}is$ free

$x_{3}is$ free

$x_{4}is$ free

$x_{5}is$ free

$x_6=$

B$.$

$x_{1}is$ free

$x_2=$

$x_3=$

$x_4=$

$x_5=$

$x_6=$

c$.$

$x_1=$

$x_{2}is$ free

$x_3=$

$x_{4}is$ free

$x_{5}is$ free

$x_6=$

D$.$

$x_1=$

$x_2=$

$x_{3}is$ free

$x_4=$

$x_5=$

$x_{6}is$ free