Superposition and circuits

Homework Statement

Homework Equations

current/voltage division
V=IR
Kirchoffs Laws

The Attempt at a Solution

and adding all Vx I get 9.818181V.[/B]

 

https://imgur.com/a/rJvfX
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[The Electrician]

Homework Statement

View attachment 211347

Homework Equations

current/voltage division
V=IR
Kirchoffs Laws

The Attempt at a Solution

and adding all Vx I get 9.818181V.[/B]

You've got a sign error. The component of Vx produced by the 40 volt source is -80/11, not +80/11.