Cattastrof3
Cattastrof3 Cattastrof3
  • 01-12-2020
  • Mathematics
contestada

(- 5x + 5) + (- 7x + 9) = 90 degrees

Respuesta :

nails4life324
nails4life324 nails4life324
  • 01-12-2020
X=-19/3
Merry Christmas
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Dead3ill
Dead3ill Dead3ill
  • 08-12-2020

Answer:

[tex]x = \frac{ - 19}{3} [/tex]

Step-by-step explanation:

[tex]( - 5x + 5) + ( - 7x + 9) = 90[/tex]

[tex] = > 5 - 5x - 7x + 9 = 90[/tex]

[tex] = > 14 - 12x = 90[/tex]

[tex] = > - 12x = 90 - 14[/tex]

[tex] = > - 12x = 76[/tex]

[tex] = > x = \frac{76}{ - 12} = \frac{ - 19}{3} [/tex]

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