Respuesta:
Expresamos en lenguaje algebraico y hallamos la incógnita!
[tex]x + 8.2 - 3 = 3x - 12[/tex]
[tex]x + 16 - 3 = 3x - 12[/tex]
[tex]x + 13 = 3x - 12[/tex]
[tex]13 + 12 = 3x - x[/tex]
[tex]25 = 2x[/tex]
[tex] \frac{25}{2} = x[/tex]
[tex]12.5 = x[/tex]
Saludos
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Respuesta:
Hola.
Expresamos en lenguaje algebraico y hallamos la incógnita!
[tex]x + 8.2 - 3 = 3x - 12[/tex]
[tex]x + 16 - 3 = 3x - 12[/tex]
[tex]x + 13 = 3x - 12[/tex]
[tex]13 + 12 = 3x - x[/tex]
[tex]25 = 2x[/tex]
[tex] \frac{25}{2} = x[/tex]
[tex]12.5 = x[/tex]
Saludos