Resposta :

8x - 1 - 4x = 6
8x - 4x = 6 + 1
4x = 7
x = 7/4
PeH
[tex]\frac{8x - 1}{2 - 2x} = 3 \\\\ 8x - 1 = 3 \cdot (2 - 2x) \\ 8x - 1 = 6 - 6x \\ 8x + 6x = 6 + 1 \\ 14x = 7 \\\\ \boxed{x = \frac{7}{14} = \frac{1}{2} = 0,5}[/tex]

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