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  • 08-08-2019
  • Mathematics
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Solve −2x − 15 = 6x + 9.

Respuesta :

luisejr77
luisejr77 luisejr77
  • 08-08-2019

Answer: [tex]x=-3[/tex]

Step-by-step explanation:

Given the equation:

[tex]-2x - 15 = 6x + 9[/tex]

You must solve for "x" to find its value.

You can follow these steps:

- Add [tex]2x[/tex] to both sides of the equation:

[tex]-2x - 15+2x= 6x + 9+2x[/tex]

[tex]- 15 = 8x +9[/tex]

- Subtract 9 from both sides of the equation:

[tex]- 15-9 = 8x +9-9[/tex]

[tex]-24 = 8x[/tex]

- Divide both sides of the equation by 8. Then you get:

[tex]\frac{-24}{8}=\frac{8x}{8}\\\\x=-3[/tex]

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