Respuesta:
[tex]5x - 20 = 80 + 3x[/tex]
[tex]5x - 3x = 80 + 20[/tex]
[tex]2x = 100[/tex]
[tex]x = 50[/tex]
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Respuesta:
[tex]5x - 20 = 80 + 3x[/tex]
[tex]5x - 3x = 80 + 20[/tex]
[tex]2x = 100[/tex]
[tex]x = 50[/tex]