Respuesta :

Answer:

1. x = 7596

2. x = -6.25

3. x = 8.5  

hope this helps:)

Hi1315

Answer:

[tex]1)\frac{x}{12} +15=648\\\\\frac{x}{12}=648-15\\\\\frac{x}{12}=633\\\\x=633*12\\\\x=7596[/tex]

[tex]2) -4(1.75+x)=18\\\\-7-4x=18\\\\-4x=18+7\\\\-4x=25\\\\x=-\frac{25}{4}[/tex]

[tex]3)6x-9=42\\\\6x=42+9\\\\6x=51\\\\x=\frac{51}{6}[/tex]