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(x:4)+861=xori2
va rog cu segmente


Răspuns :

x=3444 supra 7 => x = 492 , succes in continuare !
[tex]x.~~~~~|--|--|--|--| \\ 861~~~|--------------------| \\ x:4~~|--| \\ 2x~~~~|---------|----------| \\ (x:4)+861=2x \\ x:4=2x-861 \\ x=4(2x-861) \\ x=8x-3444 \\ 7x=3444 \\ \boxed{x=49}[/tex]