mishiplusme mishiplusme
  • 11-01-2021
  • Mathematics
contestada

7(x + 8) = 49. What is "x"?

Respuesta :

gmany
gmany gmany
  • 11-01-2021

Answer:

[tex]\huge\boxed{x=-1}[/tex]

Step-by-step explanation:

[tex]7(x+8)=49\qquad|\text{divide both sides by 7}\\\\\dfrac{7\!\!\!\!\diagup(x+8)}{7\!\!\!\!\diagup}=\dfrac{49}{7}\\\\x+8=7\qquad|\text{subtract 8 from both sides}\\\\x+8-8=7-8\\\\x=-1[/tex]

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