Simple mesh simple problem

[KostasGreco]

Exams coming up and i need some help.I am trying to solve the following example and i cant understand why the table that contains the power scources is as it is.Following the mesh current each time (J1,J2 and J3) every time i get Vs1-Vs2,Vs2-Vs5,Vs5-Vs7.

Thanks in advance.

 

[Ratch]

Exams coming up and i need some help.I am trying to solve the following example and i cant understand why the table that contains the power scources is as it is.Following the mesh current each time (J1,J2 and J3) every time i get Vs1-Vs2,Vs2-Vs5,Vs5-Vs7.

Thanks in advance.

Where is Vs2? I don't see it anywhere. Anyway, Vs3 is drawn backwards. Switch the voltage polarity and the voltages will come out correctly,.

Ratch

 

[KostasGreco]

Where is Vs2? I don't see it anywhere. Anyway, Vs3 is drawn backwards. Switch the voltage polarity and the voltages will come out correctly,.

Ratch

Sorry i meant Vs3 and not Vs2. What you are saying is that i am beating my head over a TYPO ?
Many thanks.