solve( -2/3*y>-12 AND 2/25≥13/20*y ,y) [enter] returns list[y<=(16/5)]
but
solve( -2/3*y>-12 AND 2/25≥13/20*y ,y, '=') [enter] returns set[y<=(8/65)]
If included in the output the variable changes from list to set, why does this happen?
Output in the solution of an inequation list[] or set[]
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