Resposta :

[tex]\frac{x-2}{4}=\frac{x-1}{2} \\ \\ 4x-4=2x-4 \\ \\ 2x=0 \\ \\ \boxed{x=0}[/tex]
[tex] \frac{x-2}{4}= \frac{x-1}{2} \\ \\2x-4=4x-4\\2x-4x=-4+4\\-2x=0\\x=0[/tex]

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