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Question: How can I allocate result of solve command to a variable

Question:How can I allocate result of solve command to a variable

esbestan 25
fsolve
May 16 2013
0

Hi

I want to allocate the result of "solve" command to a variable (array)

u := eval(solve({x-y = -1, 2*x-y = 3}, {x, y}));

                                                                                {x = 4, y = 5}

v := u[1]+8;
                                                                                  x + 8 = 12
v^2;
                                        Error, (in simpl/reloprod) invalid terms in product:
When I try to allocate result of solve command to "u" variable, I want to u[1]: 4 but program allocate: u[1]: x=4

please  help me
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