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Question: taking the values of a solution with solve

Question:taking the values of a solution with solve

jean-jacques 39
solve symbolic value
December 01 2010
0

I use SOLVE command

>solu=solve({x+y=a, x-y=b}, {x, y});

solu = {x = (1/2)*b+(1/2)*a, y = -(1/2)*b+(1/2)*a}

>solu[1];
solu[1]

(which shows the solution value for x is not solu[1]).

I would like to use the values of x and y in SOLU to continue with some symbolic computation.

 

How do I recover -FROM SOLU- the values of X and Y (solutions)?

Thanks in advance,

 

Jean-Jacques
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