Respuesta:
[tex]x = - 1[/tex]
Explicación paso a paso:
[tex]x + 3(2 - x) = 8 \\ \\ x + 3 \times 2 - 3x = 8 \\ \\ x + 6 - 3x = 8 \\ \\ [/tex]
[tex] - 2x + 6 = 8 \\ \\ - 2x = 8 - 6 \\ \\ - 2x = 2[/tex]
[tex]2x = - 2[/tex]
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Respuesta:
[tex]x = - 1[/tex]
Explicación paso a paso:
[tex]x + 3(2 - x) = 8 \\ \\ x + 3 \times 2 - 3x = 8 \\ \\ x + 6 - 3x = 8 \\ \\ [/tex]
[tex] - 2x + 6 = 8 \\ \\ - 2x = 8 - 6 \\ \\ - 2x = 2[/tex]
[tex]2x = - 2[/tex]
[tex]x = - 1[/tex]
Esperó te sirva :)