lazarbeam lazarbeam
  • 16-11-2018
  • Mathematics
contestada

Math question
5x-5 (6*7x)=65

Respuesta :

gmany
gmany gmany
  • 20-11-2018

[tex]5x-5(6\cdot7x)=65\\\\5x-5(42x)=65\\\\5x-210x=65\\\\-205x=65\qquad\text{divide both sides by (-205)}\\\\x=-\dfrac{65}{205}\\\\x=-\dfrac{65:5}{205:5}\\\\\boxed{x=-\dfrac{13}{41}}[/tex]

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