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## Homework Statement

Okay this is the problem it seems so easy but i just cannot for the life of me get it to click into my mind,

I have 4 unknowns and 5 equations and i have to put it into a matrix and try solve it matricies or eigenvalues/eigenvectors.

The 5 equations are:

a= b/2

b=a/3 + d

c=a/3+b/2

d=a/3+c

a+b+c+d=1

## Homework Equations

I know i can attempt the question via system of linear equations and Ax=b

## The Attempt at a Solution

Okay so this follows on from a earlier sections of the question. These 4 equations are derived and the last one is stated.

If you make a matrix as so:

0 1/2 0 0

1/3 0 0 1

1/3 1/2 0 0

1/3 0 1 0

1 1 1 1

Am I not sure what to make b equal

I know x is simply [ a b c d]

Any help would be appreciated :)