[tex] - 4x +8 = 4[/tex]
[tex] - 4x = 4 - 8[/tex]
[tex] - 4x = - 4[/tex]
[tex]x = \frac{ - 4}{ - 4} [/tex]
[tex]x = 1[/tex]
comprobacion:
[tex] - 4 \times 1 + 8 = 4[/tex]
[tex] - 4 + 8 = 4[/tex]
[tex]8 - 4 = 4[/tex]
[tex]4 = 4[/tex]
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[tex] - 4x +8 = 4[/tex]
[tex] - 4x = 4 - 8[/tex]
[tex] - 4x = - 4[/tex]
[tex]x = \frac{ - 4}{ - 4} [/tex]
[tex]x = 1[/tex]
comprobacion:
[tex] - 4 \times 1 + 8 = 4[/tex]
[tex] - 4 + 8 = 4[/tex]
[tex]8 - 4 = 4[/tex]
[tex]4 = 4[/tex]