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x-1/2+x+2/4+1/3=x+5/8+19/12

Răspuns :

x-1/2+x+2/4+1/3=x+5/8+19/12
-1/2+x+2/4+1/3=5/8+19/12
1/3+x=5/8+19/12
1/3+x=53/24
x=53/24-1/3
x=15/8