Respuesta:
9-3x+ 2 x = 4x+89
[tex]9-x-9=4x+89-9\\\\-x=4x+80\\\\-x-4x=4x+80-4x\\\\-5x=80\\\\\frac{-5x}{-5}=\frac{80}{-5}\\\\x=-16[/tex]
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Respuesta:
9-3x+ 2 x = 4x+89
[tex]9-x-9=4x+89-9\\\\-x=4x+80\\\\-x-4x=4x+80-4x\\\\-5x=80\\\\\frac{-5x}{-5}=\frac{80}{-5}\\\\x=-16[/tex]