Solve the system {
x
1
+
x
2
= 5
x
2
+
x
3
= −1
x
3
+
x
4
= 5
x
1
+
x
4
= 11

[
x
1
x
2
x
3
x
4

]
=

[

]

+
s

[

]
.

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in if you ask questions, the points are taken from your total and given to the one who answered it..

so if i have 30 points and i ask a question for 5 points, then when someone asks a question i will lose 5 points and the answerer earns 5

happy to

step by step solution :

step   1   :

1.1     4 = 22

(4)3 = (22)3 = 26

equation at the end of step   1   :

  ((23) • 26)2

step   2   :

equation at the end of step   2   :

  (23 • 26)2

step   3   :

final result :

  218

ya