Rozwiaz równanie 2x-3/x+1 (ulamek) i za ulamkiem -1=0
[(2x-3):(x+1)]-1=0
(2x-3):(x+1)=1
2x-3=x+1
x=4
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[(2x-3):(x+1)]-1=0
(2x-3):(x+1)=1
2x-3=x+1
x=4